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Locus PFAS Occurrence Lookup
x402
Locus PFAS Occurrence Lookup is a paid API for AI agents from locus.report, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-10).
Returns EPA UCMR 5 PFAS testing results for a US address or public water system IDs, including detection and non-detect counts with service-area provenance and confidence scores.
Price / call$0.01
Success—
StatusUnknown
How this service works
EPA UCMR 5 PFAS results for an address or explicit PWSIDs. Perfect for: 'PFAS results for this address', 'was this utility tested for PFAS'. Addresses resolve via EPA service-area boundaries (point-in-polygon) with per-boundary provenance and confidence (provider vs machine-modeled); containment is evidence, not proof. Detection and non-detect counts stay distinct; lithium excluded. Entry-point samples, not a tap; no safe/unsafe verdict. Charge-free when out of coverage or unresolved.
Output
Returns PFAS occurrence data from EPA UCMR 5, including counts of detected and non-detected PFAS compounds, matched public water system IDs, service-area boundary provenance (provider-supplied vs. machine-modeled), and a confidence score for the address-to-utility match. Entry-point (source) sample data only — no tap-level or safe/unsafe verdict. No charge if the address is out of coverage or cannot be resolved.
Example use cases
Home buyer water quality check
“I'm looking at buying a house at 456 Elm Street, Columbus, OH 43215 — can you look up the PFAS results from EPA's UCMR 5 testing for the water system serving that address and tell me what was detected?”
Utility-specific PFAS compliance review
“I need to review the PFAS occurrence data for public water systems OH3060001 and OH3060002 — can you pull their UCMR 5 results showing what PFAS were detected versus not detected?”
Environmental due diligence for commercial site
“We're doing environmental due diligence on a property at 789 Industrial Blvd, Detroit, MI 48201 — please fetch the EPA PFAS drinking water test results for that address so we can include it in the site report.”
Technical details
Endpoint
POSThttps://locus.report/api/locus-pfas-occurrence?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need EPA UCMR 5 PFAS occurrence data tied to a specific US address or known public water system IDs. It is ideal for real estate due diligence, environmental site assessments, or consumer water-quality questions. Prefer it over general water quality APIs when you specifically need PFAS detection/non-detect counts with service-area provenance and confidence scoring. Note: it reports entry-point (treatment plant) samples, not tap water, and returns factual occurrence data without a safe/unsafe interpretation.
Side effects
- Address cannot be resolved to a service area boundary — no charge, returns out-of-coverage response
- Invalid PWSID format or unknown PWSID — returns error or empty result
- Address is outside the US or in a jurisdiction without UCMR 5 coverage
- Ambiguous address that matches multiple service area boundaries — returns multiple candidates with varying confidence
- No PFAS results available for the matched utility if it was not required to test under UCMR 5
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| pwsids | array | |
| address | string | |
| latitude | number | |
| longitude | number |
Tags
x402
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