Skip to main content

2027 CCR Deadline: 178 days away — Publish your compliant CCR here for free →

Water operator for HHW&P-O'SHAUGHNESSY DAM CPD-SFPUC? Claim this free listing and publish your 2026 CCR where your customers are already looking. Claim Free →

PUBLIC WATER SYSTEM REPORT

Is HHW&P-O'SHAUGHNESSY DAM CPD-SFPUC Water Safe to Drink in 2026?

California · PWSID CA3810005 · Surface water

Population served
495
Cities served
State / jurisdiction
California (CA)
PWSID
CA3810005
B-
TAP WATER GRADE
Fair
Model score 70/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
13 violation record(s) in the latest EPA SDWA quarterly snapshot
CONTAMINANTS — EPA UCMR5 MONITORING

No UCMR5 PFAS detects on file for this PWS in our bundled national dataset — the system may be smaller than UCMR5 thresholds, had non-detects, or results are not yet linked to this ID. Your retailer Annual Water Quality Report lists other regulated contaminants (chlorine, DBPs, nitrates, etc.).

Official Consumer Confidence Report (CCR)

The official 2026 CCR for HHW&P-O'SHAUGHNESSY DAM CPD-SFPUC has not yet been published on WaterCheckup.

Are you the water operator for HHW&P-O'SHAUGHNESSY DAM CPD-SFPUC? Publish your official CCR here for free — your customers are already finding this page.

Claim This Listing Free →

Residents: Your public water system is required by EPA to publish an annual CCR by July 1st each year. Contact HHW&P-O'SHAUGHNESSY DAM CPD-SFPUCdirectly to request a copy, or check the EPA's national CCR portal at cfpub.epa.gov/ccr.

VIOLATIONS HISTORY (FEDERAL SNAPSHOT)

EPA’s national SDWA quarterly files associate 13 violation-related records with this system in the same reporting quarter as the public water system snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.

Get alerts if this system's EPA data changes:
WHAT TO DO ABOUT IT

Based on HHW&P-O'SHAUGHNESSY DAM CPD-SFPUC's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.

Clean water splash — certified water filter recommendations

Certified Filter Recommendations

Matched to what's actually in your water

TOP PICKS FOR HHW&P-O'SHAUGHNESSY DAM CPD-SFPUC
EPA violations / contaminants in monitoring data
#1
Waterdrop G3P600 RO
EDITORS PICK
Waterdrop  ·  ~$439
Tankless 600 GPD, removes 99%+ PFAS & lead, 10-stage filtration. Smart faucet TDS display.
WHY THIS FOR HHW&P-O'SHAUGHNESSY DAM CPD-SFPUC · Chosen for HHW&P-O'SHAUGHNESSY DAM CPD-SFPUC because the latest federal SDWA snapshot lists substantial violation activity. Certified reverse osmosis provides the broadest residential barrier for households that want margin beyond legal compliance.
#2
Aquasana SmartFlow RO
MOST CERTIFIED
Aquasana  ·  ~$449
WQA Gold Seal + NSF 42/53/58/401. Most certifications of any under-sink RO. Removes 90+ contaminants.
#3
AquaTru Under-Sink RO
EASIEST FILTER CHANGE
AquaTru  ·  ~$375
NSF 42/53/58 certified. Quick-change filters, no tools. Compact tankless design, 4-stage filtration.
Not sure which filter is right for you? Take the 3-question quiz →
See all public water systems in California
STAY INFORMED
Get water quality alerts for HHW&P-O'SHAUGHNESSY DAM CPD-SFPUC

We'll notify you when new PFAS data, EPA violations, or contamination alerts affect HHW&P-O'SHAUGHNESSY DAM CPD-SFPUC (PWS CA3810005). One email, no spam, unsubscribe any time.

Check your ZIP code

PWS-wide data may differ from the system serving your home. Enter your ZIP on the homepage for a tailored EPA report.

Fix My Water — Free →