Yolo Co Housing Authority-El Rio Villa
Published drinking-water records and contacts for Yolo Co Housing Authority-El Rio Villa. System CA5700615. Review sources and dates; not a real-time water assessment.
- System ID
- CA5700615
- State or territory
- CA
- Published population served
- 432
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 6 — 2013-01-01 – 2026-12-31
- California DDW laboratory results: 48 — 2026-01-05 – 2026-07-06
Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.
Published testing results
Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.
“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example
Lead and copper: 90th-percentile summaries
These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile
| Substance | Published 90th percentile | Monitoring period | Source quarter |
|---|---|---|---|
| Lead (PB90) | 0 mg/L | 2026-01-01 – 2026-12-31 | 2026Q3 |
| Lead (PB90) | 0.007 mg/L | 2023-01-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2020-01-01 – 2022-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2017-01-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2016-01-01 – 2018-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2013-01-01 – 2015-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| CHROMIUM, HEX | 28 UG/L | 2026-07-06 | WEST WELL #2 (2017) / California DDW laboratory results |
| NITRATE | 7.3 MG/L | 2026-07-06 | WEST WELL #2 (2017) / California DDW laboratory results |
| CHROMIUM, HEX | 7.7 UG/L | 2026-07-06 | EAST WELL / California DDW laboratory results |
| METHYL TERT-BUTYL ETHER | < 0.500000000 UG/L | 2026-06-02 | EAST WELL / California DDW laboratory results |
| PH | 8.1 PH | 2026-06-02 | EAST WELL / California DDW laboratory results |
| MAGNESIUM | 33 MG/L | 2026-06-02 | EAST WELL / California DDW laboratory results |
| CADMIUM | < 1.000000000 UG/L | 2026-06-02 | EAST WELL / California DDW laboratory results |
| ALUMINUM | < 50.000000000 UG/L | 2026-06-02 | EAST WELL / California DDW laboratory results |
| CHROMIUM, HEX | 15 UG/L | 2026-06-02 | EAST WELL / California DDW laboratory results |
| PERCHLORATE | < 1.000000000 UG/L | 2026-06-02 | EAST WELL / California DDW laboratory results |
| CYANIDE | < 5.000000000 UG/L | 2026-06-02 | EAST WELL / California DDW laboratory results |
| POTASSIUM | < 2.000000000 MG/L | 2026-06-02 | EAST WELL / California DDW laboratory results |
State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.
Download state records with source notes (CSV)
Published compliance history
5 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
| Rule / record | Period | Recorded status | Health-based (EPA classification) | Source quarter |
|---|---|---|---|---|
| Ground Water Rule / Monitoring, Source Water (GWR) | 2017-02-01 – — | Resolved | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1984-09-01 – 1984-09-30 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1984-07-01 – 1984-07-31 | Archived | No | 2026Q3 |
| Radionuclides and Revised Rad Rule / Monitoring, Regular | 1981-10-01 – 1982-09-30 | Archived | No | 2026Q3 |
| Radionuclides and Revised Rad Rule / Monitoring, Regular | 1980-10-30 – 1981-10-29 | Archived | No | 2026Q3 |
Source dates and refresh checks
A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.
- EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
- EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
- EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
- California DDW laboratory results — last successful check: 2026-10-18
Administrative contact (EPA filing)
Perry, Randy: 530-669-2240
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.