Public water system record
City of Redwood City
Serves Redwood City and Emerald Lake Hills, San Mateo County, CA · 92,819 people served
Federal records show no health-based violations and no monitoring or reporting issues for City of Redwood City in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- City of Redwood City buys its water from San Francisco Regional Water System and Sfpuc City Distribution Division.
- Most recent formal enforcement: compliance order (no penalty) by California, April 2015.
- Record on file since 2000, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 1,651 unknown out of 23,741 service lines.
Check whether City of Redwood 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.
None since October 2016, and no monitoring or reporting violations either.
Full record since 2000
EPA's records for City of Redwood City go back to 2000. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 1 |
| 2010 to October 18, 2016 | 2 | 0 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began March 2015, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Mar 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2014 | Resolved |
Enforcement actions
California regulators took 2 formal enforcement actions against City of Redwood City between 2014 and 2015. The most recent was a compliance order (no penalty) in April 2015.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 21, 2015 | California | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
| Feb 25, 2014 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
Where the water comes from
City of Redwood City buys its water from San Francisco Regional Water System and Sfpuc City Distribution Division. It lists no wells or intakes of its own. It also has emergency connections to Mid-Peninsula Water District and California Water Service - San Carlos. 1 other public water system has an emergency connection to City of Redwood City.
Buys water from
- San Francisco Regional Water System Burlingame, CA
- Sfpuc City Distribution Division Burlingame, CA
Emergency or part-time connections to
- Mid-Peninsula Water District Belmont, CA
- California Water Service - San Carlos San Jose, CA
Annual water quality report
City of Redwood 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.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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