locus.report

https://api.locus.report

● healthy general

EPA public water systems for an address, place, point, or state+county. Returns active SDWIS systems with type, population served, and ECHO violation links. National, no key; explicit state+county remains supported. Zero systems can be the real EPA answer. Charge-free when the lookup fails. -- reliability 91.0/100 per Paygent Discover

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://api.locus.report

/.well-known/x402.json

https://api.locus.report/.well-known/x402