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sdwis.water_systems

mock data$0.001 / call

Search Public Water Systems

Search EPA Safe Drinking Water Information System (SDWIS) for public water systems by state, system type (Community/Transient/Non-Transient), and activity status. Returns PWSID, system name, population served, service connections, water source type, and operator information. Covers 150,000+ US public water systems regulated under the Safe Drinking Water Act. Use sdwis.water.violations to check health violations for a specific system. Data source: EPA SDWIS Federal Reporting Services (data.epa.gov/efservice), US Gov public domain.

Healthprovider: Sdwis#sdwis#health

Input schema

type

Public water system type: CWS (Community), TNCWS (Transient Non-Community), NTNCWS (Non-Transient Non-Community)

string
limit

Maximum number of water systems to return (1–100, default 20)

integer
state

US state code or primacy agency code (e.g. CA, TX, FL). Omit for all states.

string
activity

Activity status code: A (Active), I (Inactive), N (New), M (Merger), P (Proposed). Default is all.

string

Call via REST

curl -X POST https://unifyapi.pro/api/call/sdwis.water_systems \
  -H "Authorization: Bearer uak_live_..." \
  -H "Content-Type: application/json" \
  -d '{"type":"<type>","limit":0,"state":"<state>","activity":"<activity>"}'

Try it

Paste a UnifyAPI key (create one in the dashboard) and run a real call.