Federal
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USGS Sediment Vulnerability Ranking for River Basins Across the Contiguous U.S. (2026)
A 2026 USGS study ranking 163 river basins across the lower 48 states by vulnerability to harm from…
Federal
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A 2026 USGS study ranking 163 river basins across the lower 48 states by vulnerability to harm from…
Maps & Data
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A decision-support worksheet communities can use to assess watershed resilience and community engagement needs.
Legal & Advocacy
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Public GIS map showing where proposed data centers are located in Pennsylvania and the status of their environmental…
Maps & Data
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Pennsylvania's 2026 statewide water quality assessment and impaired waters list, delivered as an interactive story map and searchable…
Federal
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Interactive EPA map for spotting drinking water and wastewater utilities that may need technical assistance or capacity building.
Maps & Data
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Updated USGS guide to finding, downloading, and using national water use data, including county-level withdrawals and consumptive use.
Maps & Data
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Free recorded webinar on how three leading county stream monitoring programs are designed, what drives them, and the…
Maps & Data
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A statewide study and mapping resource evaluating flooded abandoned coal mines as potential groundwater sources, with direct relevance…
Maps & Data
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A long-running community science center that helps watershed groups design credible monitoring programs and then actually use the…
Experts & Providers
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A long-running monitoring program and free data platform covering the Allegheny, Monongahela, and Upper Ohio basins, open to…
Experts & Providers
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An interactive ArcGIS map of Pennsylvania's community watershed organizations, alliances, and coalitions with their service areas.
Maps & Data
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Guide explaining what is changing as EPA and USGS rebuild the Water Quality Portal, the main federal gateway…