Grange Planning Brain

title: Wallan Wallan Regional Park and Herne Swamp Conservation Interface council: mitchell state: vic category: strategy classification: MAJOR status: unknown last_compiled: 2026-05-31 source_docs:

  • feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf
  • feasibility-for-wallan-wallan-regional-park-report-2022-compressed.pdf
  • web-research-L1-herne-swamp-wallan-regional-park-beam.txt
  • web-research-L1-wallan-regional-park-feasibility-mcmc-mcmc.txt

Wallan Wallan Regional Park and Herne Swamp Conservation Interface

The Wallan Wallan Regional Park proposal is not just an open-space project; it is the mechanism being used to decide which parts of the Wallan-Beveridge growth landscape remain urban, which become conservation land, and which must keep functioning as floodplain, wetland, cultural landscape, waterway corridor, quarry buffer, or regional recreation land (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.5-7). The feasibility work identifies a potential 2,888 ha regional park and open-space network, but much of that area is constrained, encumbered, privately owned, flood-prone, environmentally sensitive, or dependent on future PSP, ICP, PAO, GAIC works-in-kind, land acquisition, quarry rehabilitation, and agency management decisions (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.79-96).

The Herne Swamp interface is the most difficult part of the strategy because it sits at the point where hydrology, Aboriginal cultural values, threatened species habitat, wastewater infrastructure, proposed urban development, and extractive-industry approvals overlap (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.44-53, pp.90-96). The planning question is therefore not simply whether a park is desirable, but how much land must be protected early enough to prevent PSP sequencing, drainage engineering, quarry staging, or land-value escalation from narrowing the future conservation and restoration options (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.79-94).

Background

The Victorian Government committed in 2018 to undertake a feasibility study for a regional park in Wallan within the Northern Growth Corridor, and the study was led by the Department of Energy, Environment and Climate Action with Land Design Partnership, Ethos Urban, and Nature Advisory inputs (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.5, 8). The report uses the Wurundjeri Woi-wurrung name wallan wallan for the Wallan region and states that the future park name is to be determined by the Wurundjeri Woi-wurrung people (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.5).

The park is framed as a response to rapid growth in Mitchell Shire and the Wallan-Beveridge corridor, with Mitchell Shire recorded at 47,837 residents in 2020 and expected to increase by a further 53,400 people by 2036 (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.8). The report also states that regional park planning in growth corridors uses a benchmark of at least 40 ha of passive open space for every 150,000 people, which explains why the Wallan-Beveridge growth front requires a metropolitan-scale open-space response rather than only local PSP parks (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.8).

The proposed park sits within a wider planning environment shaped by the Northern Growth Corridor Plan, Wallan Structure Plan, Beveridge North West PSP, Wallan South PSP, Wallan East Part 1 and Part 2 PSP work, Northern Freight PSP, the Melbourne Strategic Assessment, Melbourne Water flood modelling, Yarra Valley Water assets, and potential Beveridge Intermodal Freight Terminal planning (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.58-63, pp.79-96). The feasibility report also records a community and advocacy signal after publication: BEAM Enviro Group published an EarthChat post on 4 January 2023, modified on 8 January 2023, describing a 6 January 2023 discussion with Mitchell Shire Councillor Rob Eldridge about a Wallan Wallan Wetlands regional park vision (Source: web-research-L1-herne-swamp-wallan-regional-park-beam.txt).

Analysis

The Regional Park Is a Land-Use Control Problem Before It Is a Park Design Problem

The feasibility report identifies 2,888 ha as the total area available for the potential regional park and open-space network, but it explicitly states that this area includes restricted and encumbered land such as MSA conservation areas, retarding basins, utility easements, and Growling Grass Frog habitat that may not be available for public park use (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.79). This matters because the headline area is not equivalent to usable recreational land; it is a planning envelope that mixes conservation land, flood storage, access corridors, infrastructure land, quarry-affected land, cultural landscape, and possible visitor-use areas (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.79-85).

The report identifies the basis for possible inclusion as existing open space, Aboriginal cultural sensitivity buffers, geological features, historic watercourses, 1% ARI flood levels, Rural Conservation Zone land, PSP landscape-value land, Environmental Significance Overlay land, EPBC seasonal herbaceous wetland exclusion areas, recreation and biodiversity corridors, and links to marram baba Regional Parklands (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.79-80). The mechanism is therefore cumulative: if a parcel contains several constraints at once, the planning case for park inclusion becomes stronger, but the acquisition, management, and access questions also become harder (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.79-96).

The practical effect is that the park boundary cannot be treated as a single line on a map; it must be resolved parcel by parcel through PSP designation, encumbered open-space treatment, conservation reservation, PAO application, land purchase, or agency management agreement (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.86-96). The feasibility report states that the total potential park area requires further parcel analysis, landowner engagement, and assessment of the benefits, obstacles, and mechanisms for each property (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.86).

Herne Swamp Is the Hydrological and Ecological Test Case

The study area contains the upper reaches of Merri Creek, Kalkallo Creek, Strathaird Creek, Taylors Creek, unnamed Merri Creek tributaries, Herne Swamp, burrung buluk or Hanna Swamp, Meade Swamp, and other wetland features (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.44-49). The report states that Herne Swamp and the other large seasonal or ephemeral wetlands have been drained for agriculture but remain subject to inundation during heavy rainfall events (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.44).

Herne Swamp is described as hydrologically constrained because new and proposed urban development sits within the former swamp footprint, and the report states that this development will fundamentally affect future restoration potential (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.44). By contrast, the report states that there remains scope to fully restore burrung buluk and Meade Swamp with original waterway alignment restoration above and below them, although this would require significant hydrological restoration works (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.44).

The most important technical issue is that current mapped waterways do not show the original hydrological system (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.44). The report states that the DEECA waterways layer largely reflects modern modified waterways, drains, erosion gullies, and diversion channels rather than natural alignments, and that current-conditions mapping is not appropriate for modelling historic conditions or informing restoration plans (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.44). This means a PSP drainage design based only on present-day channels could accidentally lock in the agricultural drainage system rather than restore the wetland system (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.44-46).

Melbourne Water’s 100 ARI flood modelling is central to the park logic because the report says the 100 ARI area aligns with the historic extent of Herne Swamp according to Nature Glenelg Trust modelling (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.46-49). Land within floodways or subject to 100 ARI inundation is constrained for urban development unless major earthworks or infrastructure works occur, but that same land can support open space, biodiversity, conservation, flood storage, and wetland functions within the park (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.46).

Biodiversity Values Are Material but Incompletely Mapped

The biodiversity evidence is strong enough to justify a conservation-led park boundary, but not complete enough to finalise that boundary without further fieldwork (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.50-53). Nature Advisory’s 2020 work found that the study area would have supported multiple EVCs before 1750 and that the current extent of those EVCs is severely diminished (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.50; Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, Appendix A, pp.5-6). The report records 12 EPBC Act-listed species and 10 FFG Act-listed species in the study area, with records concentrated near the Melbourne-Seymour railway line and along Merri Creek, plus Golden Sun Moth records in the north-western part of the study area (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.50; Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, Appendix A, pp.6-8).

Herne Swamp contains Plains Grassy Wetland that qualifies as Seasonal Herbaceous Wetland, and the report states that much of this vegetation is very high quality (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.51). A 2013 Department of Environment and Primary Industries assessment apportioned 55 ha of Seasonal Herbaceous Wetland within Herne Swamp for additional EPBC protection obligations, but only about one quarter of the original swamp extent was assessed because the former Urban Growth Zone boundary cut through the swamp (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.51). This creates a material corpus and planning gap: the unassessed parts of Herne Swamp may contain values that affect PSP design, EPBC referral risk, wetland restoration design, and land-acquisition priorities (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.51-53).

The Merri Creek corridor is already significant because the Biodiversity Conservation Strategy and Growling Grass Frog Master Plan identify the headwaters of Merri Creek within Herne Swamp as a conservation area requiring protection, habitat buffering, and connectivity (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.53). The report also states that Herne Swamp is excluded from the MSA EPBC approval area, meaning proposals affecting the swamp require separate EPBC consideration (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.53). The effect is that Herne Swamp cannot be treated as ordinary encumbered drainage land; it is a biodiversity approval interface where Commonwealth-listed ecological communities and species may change the permissible development pathway (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.51-53, p.90).

Cultural Values Are a Boundary-Setting Constraint, Not a Later Interpretation Layer

The Wurundjeri Woi-wurrung people are the Traditional Owners of the area investigated for the park, and WWCHAC is the Registered Aboriginal Party for the area under the Victorian Aboriginal Heritage Act 2006 (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.33). The report states that the entire Wallan region is culturally significant to the Wurundjeri Woi-wurrung people but that the cultural landscape within the study area is not yet fully understood (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.33).

The feasibility report is explicit that a Cultural Values Study by WWCHAC is a critical next step before a final park boundary can be identified (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.5-6, p.33). This is not a decorative or interpretive step after planning is complete; it is a spatial input because the report says historic waterways and the true extent of Herne Swamp are not accurately reflected in the cultural heritage layer, which could cause the wrong areas to be investigated for cultural heritage evidence and places of cultural significance (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.33).

The Cultural Heritage Regulations sensitivity triggers are also spatially important because the report identifies registered cultural heritage places and land within 50 m, waterways and land within 200 m, and volcanic cones of western Victoria as relevant to the study area (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.33-35). Because the report says a 200 m buffer along named waterways was used as a proxy and that Herne Swamp is not accurately represented in that figure, any PSP boundary or infrastructure corridor based on the proxy layer should be treated as provisional (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.35).

Growth-Area Sequencing Determines Whether Land Is Transferred or Bought

The delivery mechanism is the binding implementation issue (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.90-94). The report states that land should be acquired through an ICP or as encumbered open space where possible to minimise purchase costs, but it also states that the regional role and scale of the park mean the vast majority of land is unlikely to be transferable solely through an ICP (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.90).

Timing is critical because land transfer through PSP and ICP mechanisms depends on PSP preparation, gazettal, subdivision, and implementation (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.90). The report identifies Beveridge North West PSP and Wallan South PSP as the first areas to undergo formal structure planning, followed by Wallan East, which means those precincts are the immediate places where the park must be embedded in PSP land budgets and open-space design (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.91).

Where land cannot be transferred through a PSP or ICP, the report recommends a Public Acquisition Overlay to reserve land for purchase, protect it from incompatible use and development, and limit further land-value escalation (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.90). The report also recommends exploring GAIC works-in-kind agreements for land transfer to the state, but notes that GAIC works-in-kind applies to growth-area land brought into the Urban Growth Boundary or subsequently zoned for urban development and will not fund works outside the UGB (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.6-7, p.90).

The land-value mechanism is straightforward: land in the study area likely increased in value when the UGB was revised in 2012 to include an additional 6,000 ha of land in metropolitan Melbourne, when much of the land became Urban Growth Zone, and when the North Growth Corridor Plan identified large areas for urban residential or industrial use (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.92-93). The report warns that draft PSP exhibition or early concept plans may create further value escalation before gazettal because expected residential or urban land uses become clearer (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.92). The consequence is that delay converts a planning-transfer issue into a public-acquisition cost issue (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.90-94).

Access, Connectivity, and Barriers Are Major Design Dependencies

The feasibility report identifies wetlands, volcanic cones, ridges, waterways, pasture areas, community facilities, and municipal open space as the main experience types within the future park (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.84-85). The park’s value depends on linking these features rather than leaving them as isolated reserves, because the selection criteria require connections between Merri Creek, Herne Swamp, burrung buluk, Kalkallo Creek, Mount Fraser, and Spring Hill (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.76-77).

The same report identifies major barriers to that connected network, including the Hume Freeway, Northern Highway, Melbourne-Sydney railway line, future Beveridge Intermodal Freight Terminal, and future Outer Metropolitan Ring/E6 Transport Corridor (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.77-78). These barriers matter because the park must function both as conservation infrastructure and as a regional open-space system; if crossings are not planned early, conservation land may be protected on paper but fragmented for people, fauna, and management access (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.76-85).

The report also identifies potential regional links to marram baba Regional Parklands, the Kalkallo Retarding Basin, the proposed Wallan-Heathcote Rail Trail, and the broader Merri Creek corridor (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.65-67, p.77). This makes the park a cross-jurisdictional open-space link spanning Mitchell Shire, Whittlesea, Hume, Macedon Ranges catchment influence, Melbourne Water waterway responsibilities, Parks Victoria management functions, Yarra Valley Water assets, and WWCHAC cultural governance (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.68-75, pp.96-97).

Catchment Demand Justifies Metropolitan-Scale Planning

The Metropolitan Open Space Network Distribution hierarchy is used to classify a future park as Metropolitan Open Space because the park is anticipated to be as large as 1,000 ha and therefore exceeds the greater-than-50 ha threshold for this type of regional-network open space (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.68). The report applies a 15 km catchment from the park boundary and states that this catchment spans Mitchell Shire, Whittlesea, Hume, and Macedon Ranges (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.68).

The catchment population was estimated at 159,330 in 2016, 231,030 in 2021, 299,790 in 2026, 367,090 in 2031, and 429,680 in 2036 (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.69). The report calculates an increase of 198,650 people between 2021 and 2036 and an average annual growth rate of 4.2% over that period (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.69). Mitchell Shire is recorded as having only 0.7% of municipal land as public open space compared with a metropolitan average of 9.3%, which supports the case for regional open-space provision before urbanisation consumes the most suitable land (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.70).

Extractive Industry Creates Staging and Rehabilitation Constraints

The report identifies three existing or proposed quarry sites in the study area: the existing Mount Fraser scoria quarry, an approved clay quarry at 2330 Epping-Kilmore Road in Wallan East Part 2, and a proposed stone quarry at 175 Northern Highway in Beveridge North West (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.95). The approved clay quarry is especially sensitive because the report states that it is within the Wallan East Part 2 precinct, includes significant remnant wetland values forming part of Herne Swamp, and connects with Merri Creek and Taylors Creek (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.95).

Operational quarry land cannot form publicly accessible regional park land during extraction, and the report states that quarry sites would affect park connectivity for visitors and fauna until extraction ends and rehabilitation occurs (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.95). The consequence is a staging mismatch: conservation planning may need to reserve future park land now, while public access and ecological restoration may not be possible until quarry use and rehabilitation obligations are resolved (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.93-96).

Management Will Be Multi-Agency and Partly Transitional

The report expects the future park to be owned by the State Government and largely managed by Parks Victoria in partnership with the Wurundjeri Woi-wurrung people and Melbourne Water (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.96-97). It also states that waterways and Growling Grass Frog conservation areas are likely to be managed by Melbourne Water, local parks and sports fields are typically council-managed, and Yarra Valley Water will manage the Wallan Treatment Plant and surrounding land within Herne Swamp (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.96-97).

The report suggests the Jacksons Creek Parklands model as a possible governance precedent, where multiple partners manage their own land while coordinating shared issues and supporting Wurundjeri Woi-wurrung goals for future management (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.97). This matters because the park is unlikely to operate as one simple reserve with one manager; it is more likely to function as a parklands system with different access rules, land tenures, ecological restrictions, waterway obligations, and cultural governance arrangements (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.96-97).

Current Status

The manifest records this initiative as pending, and the available primary feasibility report is dated 2022 (Source: compile-wallan-regional-park-and-herne-swamp-job-14143.json; Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf). The feasibility report does not provide a final declared park boundary, final delivery budget, final land-acquisition program, final Cultural Values Study, final hydrological restoration plan, or final inter-agency governance agreement (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.5-7, pp.79-97).

The most current community-facing source in the manifest is the BEAM EarthChat page, which records a January 2023 discussion about the Wallan Wallan Wetlands regional park vision but does not supply statutory implementation detail (Source: web-research-L1-herne-swamp-wallan-regional-park-beam.txt). The current planning status therefore appears to be feasibility and advocacy rather than final statutory implementation, based on the documents available in this compile set (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf; Source: web-research-L1-herne-swamp-wallan-regional-park-beam.txt).

Dependencies

  • Blocks: Final PSP land budgets, open-space boundaries, conservation corridors, public acquisition decisions, and hydrological restoration choices for land around Herne Swamp, Merri Creek, Kalkallo Creek, burrung buluk, Meade Swamp, Mount Fraser, Spring Hill, Wallan South, Wallan East, Beveridge North West, and Northern Freight cannot be fully resolved until the regional park boundary logic is settled (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.58-63, pp.76-96).
  • Blocked by: The strategy is blocked by the absence of a completed WWCHAC Cultural Values Study, incomplete wetland and biodiversity assessment for logical-inclusion land, unresolved PSP sequencing, landowner engagement, quarry staging, acquisition funding, flood and restoration modelling, and governance allocation between Parks Victoria, WWCHAC, Melbourne Water, Yarra Valley Water, and local councils (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.33-35, pp.44-53, pp.86-97).
  • Informed by: The feasibility report is informed by Land Design Partnership analysis, Ethos Urban background and community-profile work, Nature Advisory biodiversity assessment, Alluvium waterway assessment, Nature Glenelg Trust wetland restoration material, Melbourne Water flood modelling, PSP material, and state open-space and biodiversity policy (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.1-7, pp.44-75, Appendix A).
  • Implements: The proposal implements state and local objectives for metropolitan open space, biodiversity protection, waterway health, integrated water management, climate resilience, cultural landscape recognition, and growth-area liveability (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.68-75).
  • Conflicts with: Potential conflicts arise with urban development expectations under PSPs, land-value escalation after UGB and PSP processes, quarry approvals, transport corridors, BIFT planning, wastewater infrastructure, public-access expectations, and conservation areas that may need restricted access (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.77-80, pp.90-96).

The 15 km catchment crosses Mitchell Shire, Whittlesea, Hume, and Macedon Ranges, so the regional park is not only a Mitchell Shire open-space matter (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, p.68). The policy review also draws on Whittlesea and Hume council plans, Healthy Waterways Strategy, Integrated Water Management policy, Biodiversity 2037, and Mitchell strategies, showing that the park functions as a regional open-space, waterway, and biodiversity interface rather than a single-council reserve (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.70-75).

The park also depends on state and utility authorities because Parks Victoria, Melbourne Water, Yarra Valley Water, DEECA, WWCHAC, local councils, VPA PSP processes, and potential freight and transport infrastructure all affect land use, access, hydrology, and management (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.77-80, pp.90-97). The proposed connections to marram baba Regional Parklands, the Kalkallo Retarding Basin, the Merri Creek corridor, and the proposed Wallan-Heathcote Rail Trail make the project part of a wider northern metropolitan open-space network (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.65-67, p.77).

Gaps in This Analysis

The two feasibility-report text files in the manifest appear to be duplicate or near-duplicate extractions of the same 2022 PDF, so they do not provide independent corroboration of the report findings (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf; Source: feasibility-for-wallan-wallan-regional-park-report-2022-compressed.pdf). The MCMC web-research extract also reproduces the feasibility report and appendices rather than adding a separate statutory source (Source: web-research-L1-wallan-regional-park-feasibility-mcmc-mcmc.txt).

The BEAM source is useful as a community-signal document but the extraction mainly preserves page metadata and site scaffolding, so it cannot support detailed factual claims about statutory progress, funding, or agency commitments beyond the January 2023 EarthChat page metadata (Source: web-research-L1-herne-swamp-wallan-regional-park-beam.txt).

The critical missing sources are the final or current WWCHAC Cultural Values Study, any post-2022 government implementation update, current PSP packages for Wallan South, Wallan East, Beveridge North West, Wallan East Part 2 and Northern Freight, any PAO or acquisition program, current Melbourne Water Development Services Scheme material, Yarra Valley Water plans for the Wallan Treatment Plant and Herne Swamp land, current quarry approvals and rehabilitation plans, and any current Parks Victoria or DEECA governance decision (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.33-35, pp.44-53, pp.58-63, pp.90-97). These gaps limit the analysis because the available corpus supports feasibility-level conclusions but not a final implementation audit, costed delivery pathway, parcel acquisition schedule, or current statutory status (Source: feasibility-for-wallan-wallan-regional-park_report-2022-compressed.pdf, pp.79-97).

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