Public water system record
Butano Canyon Mutual
Serves an area of San Mateo County, CA · 150 people served
Federal records show no health-based violations and 6 monitoring/reporting issues for Butano Canyon Mutual 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
- 6
Key facts
- Butano Canyon Mutual draws water from 1 surface water intake.
- Most recent formal enforcement: compliance order (no penalty) by California, June 2022.
- Record on file since 1980, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 1 lead and 0 unknown out of 96 service lines.
Check whether Butano Canyon Mutual 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 |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Revised Total Coliform Rule
OTHER
|
Oct 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2017 | Resolved |
Full record since 1980
EPA's records for Butano Canyon Mutual go back to 1980. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 28 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 26 |
| 1990s | 0 | 1 |
| 2010 to October 18, 2016 | 2 | 1 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 0 | 4 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began January 2015, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Jan 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2014 | Resolved |
Enforcement actions
California regulators took 6 formal enforcement actions against Butano Canyon Mutual between 2014 and 2022. The most recent was a compliance order (no penalty) in June 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 15, 2022 | California | Compliance order (no penalty) | 2 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Mar 8, 2022 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| May 20, 2021 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Jun 27, 2017 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Apr 14, 2015 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Nov 5, 2014 | California | Compliance order (no penalty) | 2 violations (1 health-based): Total Coliform |
Where the water comes from
Butano Canyon Mutual draws water from 1 surface water intake.
Annual water quality report
Butano Canyon Mutual 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 Butano Canyon Mutual 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