Hydrohistorian
Where the water comes from
| Facility | Kind | Water |
|---|---|---|
| SPRING NO 1 | Spring | Groundwater |
These are EPA's facility records, not DWR structures. Which decreed rights sit behind an intake is the next phase; nothing here is inferred.
Compliance record
Source Register of another agency · fetched 2026-09-09 · verify at EPA ECHO ↗
EPA's summary: violations in 0 of the last 12 quarters; not a serious violator.
2 health-based violations on the federal record all time, 0 violations open today. Most recent health-based: Treatment technique not met, compliance period from 2020-01-01, returned to compliance 2020-03-04.
| Period | Kind | Health-based | Status | Measured | Codes |
|---|---|---|---|---|---|
| 2020-01-01 – 2020-01-31 | Treatment technique not met | yes | returned to compliance (2020-03-04) | v41 c0200 r121 | |
| 2015-11-01 | Treatment technique not met | yes | returned to compliance (2016-12-15) | v42 c0200 r121 |
Lead and copper: the latest 90th-percentile lead result is 0.002 mg/L (sampling period ending 2025-12-31) against an action level of 0.015 mg/L; 7 results on file.
SDWIS federal reporting carries violations and lead/copper percentiles only; nitrate, disinfection by-product and PFAS sample results are not in it. Codes are EPA's (violation, contaminant, rule); the ECHO report expands them.
The record
EPA SDWIS federal reporting as of 2026-09-08; the compliance record above is EPA's own, fetched monthly, and the ECHO report carries the rest. Report a problem →