LA HONDA, CA · San Mateo County
PORTOLA IMPROVEMENT ASSOCIATION MWC Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA4100555
- System type
- Community Water System
- Population served
- 90
- Service connections
- 34
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Notification, Public
—No contaminant on record
September 1, 1984 – September 30, 1984
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 30, 1980 – October 29, 1981
ArchivedMaximum Contaminant Level Violation, Single Sample
Health-basedMercury
June 1, 1980 – May 31, 1982
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| September 1, 1984 – September 30, 1984 | Notification, Public | — | — | Archived |
| October 1, 1981 – September 30, 1982 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| October 30, 1980 – October 29, 1981 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| June 1, 1980 – May 31, 1982 | Maximum Contaminant Level Violation, Single Sample | Mercury | Health-based | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- May 3, 2006State Violation/Reminder Notice27 linked violations
Contact
FITZGERALD, YVETTE
650-947-9687
LA HONDA, CA 94020