Hydrohistorian
Boundary traced from IRE. About 4 km².
Where the water comes from
| Facility | Kind | Water |
|---|---|---|
| NO 1 WELL | Well | Groundwater under the influence of surface water |
| NO 2 WELL | Well | Groundwater under the influence of surface water |
| NO 4 WELL | Well | Groundwater under the influence of surface water |
| NO 5 WELL | Well | Groundwater under the influence of surface water |
| NO 6 WELL | Well | Groundwater under the influence of surface water |
| NO 7 WELL | Well | Groundwater under the influence of surface water |
| NO 8 WELL | Well | Groundwater under the influence of surface water |
| NO 9 WELL | Well | Groundwater under the influence of surface water |
| NO 10 WELL | Well | Groundwater under the influence of surface water |
| NO 11 WELL | Well | Groundwater under the influence of surface water |
| NO 12 WELL | Well | Groundwater |
| NO 13 WELL | Well | Groundwater |
| NO 14 WELL | Well | Groundwater under the influence of surface water |
| NO 15 WELL | Well | Groundwater under the influence of surface water |
| NO 16 WELL | Well | Groundwater under the influence of surface water |
| NO 17 WELL | Well | Groundwater under the influence of surface water |
| NO 18 WELL | Well | Groundwater under the influence of surface water |
| NO 19 WELL | Well | Groundwater |
| NO 20 WELL | Well | Groundwater under the influence of surface water |
| NO T9 WELL | Well | Groundwater under the influence of surface water |
| WELL NO 22 | Well | Groundwater under the influence of surface water |
| WELL NO 23 | Well | Groundwater under the influence of surface water |
| NO 21 WELL | Well | Groundwater under the influence of surface water |
| WELL NO 24R | Well | Groundwater under the influence of surface water |
These are EPA's facility records, not DWR structures. Which decreed rights sit behind an intake is the next phase; nothing here is inferred.
DWR structures that name this system
Source Probable join · fetched 2026-09-09 · matched on DWR's recorded contact or an EPA intake name; verify on the dossier
No DWR structure on file records this system as its contact, and none of its EPA intakes matches a structure name in its districts. DWR records a contact on only a fraction of structures, and only for districts fetched from its live service, so this is absence of a record, not evidence of no rights.
Compliance record
Source Register of another agency · fetched 2026-09-09 · verify at EPA ECHO ↗
EPA's summary: violations in 12 of the last 12 quarters, significant non-compliance in 1; not a serious violator. Contaminants in violation in the last three years, in EPA's words: 0300=Interim Enhanced Surface Water Treatment Rule; 1040=Nitrate; 2456=Total Haloacetic Acids (HAA5); 2950=TTHM. Currently in violation for: 0300=Interim Enhanced Surface Water Treatment Rule.
7 health-based violations on the federal record all time, 0 violations open today. Most recent health-based: Treatment technique not met, compliance period from 2026-04-01.
| Period | Kind | Health-based | Status | Measured | Codes |
|---|---|---|---|---|---|
| 2026-04-01 – 2026-04-30 | Treatment technique not met | yes | known, archived | v44 c0300 r122 | |
| 2023-03-16 | Treatment technique not met | yes | returned to compliance (2025-10-20) | v42 c0200 r121 | |
| 2022-12-01 – 2022-12-31 | Treatment technique not met | yes | returned to compliance (2023-02-10) | v41 c0200 r121 | |
| 2014-10-01 – 2014-12-31 | Maximum contaminant level exceeded | yes | returned to compliance (2019-02-11) | 12.09 MG/L (limit 10.0) | v02 c1040 r331 |
| 2014-07-01 – 2014-09-30 | Maximum contaminant level exceeded | yes | returned to compliance (2019-02-11) | 11.58 MG/L (limit 10.0) | v02 c1040 r331 |
| 2013-10-01 – 2013-12-31 | Maximum contaminant level exceeded | yes | returned to compliance (2019-02-11) | 10.62 MG/L (limit 10.0) | v02 c1040 r331 |
| 2013-07-01 – 2013-09-30 | Maximum contaminant level exceeded | yes | returned to compliance (2019-02-11) | 10.57 MG/L | v02 c1040 r331 |
Lead and copper: the latest 90th-percentile lead result is 0.003 mg/L (sampling period ending 2025-12-31) against an action level of 0.015 mg/L; 14 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.
PFAS and lithium: EPA's UCMR 5 monitoring, 2023–2025
Source Register of another agency · fetched 2026-09-09 · verify at EPA UCMR occurrence data ↗
EPA did not sample this system under UCMR 5 (the rule covered every system serving more than 3,300 people and a drawn sample of smaller ones).
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 →