Public water system record
Casa Medanos Water System
Serves Pittsburg, Contra Costa County, CA · 45 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Casa Medanos Water System in the last ten years. At least one of these issues remains unresolved.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Casa Medanos Water System draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by California, September 2023.
- Record on file since 1980, with 0 health-based violations before October 20, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 16 service lines.
Check whether Casa Medanos Water System serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2022 |
Active
Enforcement action in place
|
Full record since 1980
EPA's records for Casa Medanos Water System go back to 1980. Before October 20, 2016 they list no health-based violations and 9 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 9 |
| 2020s | 0 | 1 |
Enforcement actions
California regulators took 1 formal enforcement action against Casa Medanos Water System in 2023. The most recent was a compliance order (no penalty) in September 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 4, 2023 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
Where the water comes from
Casa Medanos Water System draws water from 1 well.
Annual water quality report
Casa Medanos Water System must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Casa Medanos Water System for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.
Certified drinking water labs by state EPA guidance for private wells