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sdwis.service_areas

mock data$0.001 / call

Lookup Water System Service Areas

Look up the geographic service areas of EPA-regulated public water systems. Returns counties, cities, and zip codes served by each utility, along with area type and tribal codes. Filter by state or county to discover which water systems serve a specific area. Filter by PWSID to get all geographic areas served by a specific utility. Useful for mapping water service boundaries, identifying utilities for an address, or understanding the geographic scope of a water quality issue. Data source: EPA SDWIS Federal Reporting Services Geographic Areas table, US Gov public domain.

Healthprovider: Sdwis#sdwis#health

Input schema

limit

Maximum number of service area records to return (1–100, default 20)

integer
pwsid

Public Water System Identifier (PWSID) to get service areas for a specific system (e.g. CA3310067)

string
state

State or primacy agency code to filter service areas (e.g. CA, TX, FL)

string
county

County name served by the water system (e.g. LOS ANGELES)

string

Call via REST

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

Try it

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