Midway Heights C. W. D.
Published drinking-water records and contacts for Midway Heights C. W. D.. System CA3110041. Review sources and dates; not a real-time water assessment.
- System ID
- CA3110041
- State or territory
- CA
- Published population served
- 1491
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 22 — 1993-01-01 – 2024-12-31
- California DDW laboratory results: 13 — 2026-03-02 – 2026-03-30
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) | 0.000571 mg/L | 2022-01-01 – 2024-12-31 | 2026Q3 |
| Lead (PB90) | 0.001807 mg/L | 2019-01-01 – 2021-12-31 | 2026Q3 |
| Lead (PB90) | 0.004 mg/L | 2016-01-01 – 2018-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2013-01-01 – 2015-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2010-01-01 – 2012-12-31 | 2026Q3 |
| Lead (PB90) | 0.006 mg/L | 2007-01-01 – 2009-12-31 | 2026Q3 |
| Lead (PB90) | 0.0027 mg/L | 2004-01-01 – 2006-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2003-01-01 – 2005-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| CHLOROFORM | 33 UG/L | 2026-03-30 | DBPR Sample / California DDW laboratory results |
| BROMODICHLOROMETHANE | 2.5 UG/L | 2026-03-30 | DBPR Sample / California DDW laboratory results |
| TOTAL HALOACETIC ACIDS (HAA5) | 33.7 UG/L | 2026-03-30 | DBPR Sample / California DDW laboratory results |
| BROMOFORM | < 0.500000000 UG/L | 2026-03-30 | DBPR Sample / California DDW laboratory results |
| TTHM | 35 UG/L | 2026-03-30 | DBPR Sample / California DDW laboratory results |
| DICHLOROACETIC ACID | 14.8 UG/L | 2026-03-30 | DBPR Sample / California DDW laboratory results |
| DIBROMOCHLOROMETHANE | < 0.500000000 UG/L | 2026-03-30 | DBPR Sample / California DDW laboratory results |
| MONOBROMOACETIC ACID | < 1.000000000 UG/L | 2026-03-30 | DBPR Sample / California DDW laboratory results |
| TRICHLOROACETIC ACID | 18.9 UG/L | 2026-03-30 | DBPR Sample / California DDW laboratory results |
| DIBROMOACETIC ACID | < 1.000000000 UG/L | 2026-03-30 | DBPR Sample / California DDW laboratory results |
| MONOCHLOROACETIC ACID | < 2.000000000 UG/L | 2026-03-30 | DBPR Sample / California DDW laboratory results |
| NITRATE | < 0.400000000 MG/L | 2026-03-02 | PURCHASE FROM WEIMAR WATER COMPANY / 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
59 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 |
|---|---|---|---|---|
| Miscellaneous Other Rules / Notification, Public | 1988-06-01 – 1988-06-30 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1988-05-01 – 1988-05-31 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1988-04-01 – 1988-04-30 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1988-03-01 – 1988-03-31 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1988-02-01 – 1988-02-29 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1988-01-01 – 1988-01-31 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1987-12-01 – 1987-12-31 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1987-11-01 – 1987-11-30 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1987-10-01 – 1987-10-31 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1987-06-01 – 1987-06-30 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1987-05-01 – 1987-05-31 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1987-04-01 – 1987-04-30 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1987-03-01 – 1987-03-31 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1987-02-01 – 1987-02-28 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1987-01-01 – 1987-01-31 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1986-09-01 – 1986-09-30 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1986-08-01 – 1986-08-31 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1986-07-01 – 1986-07-31 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1986-06-01 – 1986-06-30 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1986-05-01 – 1986-05-31 | 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)
Osborn, Hannah: 530-878-8096
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.