Drinking Water — EPA SDWIS: Water Systems & Health-Based Violations

Ingested from the official MCP Registry

FastDrop pulled this entry from the official MCP Registry as link.morningbrief/drinking-water and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed and the description is not theirs.

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Tools this endpoint exposes

Read directly from the endpoint on 1 Nov 2026. Not supplied by the maker.

• get_water_system

  Look up one US public water system by its PWSID (e.g. IL0970450). Returns the system's identity, type (community, transient, non-transient non-community), population served, service connections, owner

• search_water_systems

  Search US public water systems by name, and optionally narrow by state (two-letter code), county name as reported to SDWIS (requires state), system type code (CWS, NTNCWS, TNCWS), or active systems on

• get_county_water_summary

  Summarize public water systems serving a US county: how many systems (and how many active), total population served, how many systems have current health-based violations and how many such violations

• get_state_water_summary

  Summarize public water systems for a whole US state: system counts, population served, systems with current health-based violations, and the counties with the most affected systems. Data is EPA SDWIS.

• get_current_health_violations

  List current (unresolved) health-based drinking water violations from EPA SDWIS: maximum contaminant level (MCL), maximum residual disinfectant level (MRDL), and treatment-technique violations whose s

• list_contaminants_with_violations

  List every contaminant that has at least one current health-based violation in EPA SDWIS, with the number of open violations and the number of water systems affected, most violations first. Useful for