Public water system record
City of Nevada City
Serves Nevada City, Nevada County, CA · 3,148 people served
Federal records show 1 health-based violation and no monitoring/reporting issues for City of Nevada City in the last ten years. The most serious issue in this window was a resolved Interim Enhanced Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 0
Key facts
- City of Nevada City draws water from 1 surface water intake.
- Most recent formal enforcement: compliance order (no penalty) by California, February 2023.
- Record on file since 1988, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 1,330 unknown out of 1,426 service lines.
Check whether City of Nevada City 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2023 | Resolved | Yes |
Full record since 1988
EPA's records for City of Nevada City go back to 1988. Before October 19, 2016 they list no health-based violations and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
| 2000s | 0 | 1 |
| 2020s | 1 | 0 |
Enforcement actions
California regulators took 2 formal enforcement actions against City of Nevada City between 2006 and 2023. The most recent was a compliance order (no penalty) in February 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 24, 2023 | California | Compliance order (no penalty) | 1 violation (1 health-based): Interim Enhanced Surface Water Treatment Rule |
| Oct 4, 2006 | California | Compliance order (no penalty) | 1 violation: Total Trihalomethanes (TTHMs) |
What the violations mean
Interim Enhanced Surface Water Treatment Rule
1 incidentThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
Where the water comes from
City of Nevada City draws water from 1 surface water intake.
Annual water quality report
City of Nevada City 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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