Pacoima, CA Water Safety: 56/100 (2026)
3 ZIP codes · 2 water systems · Updated 2026-06-03
Across water systems in Pacoima, safety results are uneven — a portion carry active or recent violations, while others meet federal standards without incident, placing the city in the middle tier for CA.
How Pacoima Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Pacoima Residents
- Estimated remediation: $800 per household.
- CDC health risk index: 10.71.
Pacoima's Water Providers
2 water utilities share the residential service territory in Pacoima, CA — out of 2 total systems in federal records.
Overview
We track water quality and home safety data for 3 ZIP codes in Pacoima, California (population ~98,820), covering 2 community water systems serving approximately 3,899,512 people region-wide.
No EPA violations recorded across any ZIP codes in Pacoima — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Pacoima: C (56/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Pacoima water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Pacoima
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 3 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 91331 | C | Los Angeles-city, Department of Water & Power | 3,875,566 |
| 91333 | D | SAN FERNANDO-CITY, WATER DEPT. | 23,946 |
| 91334 | D | SAN FERNANDO-CITY, WATER DEPT. | 23,946 |
All ZIP Codes in Pacoima
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Pacoima Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
How Remediation Costs Compare in Pacoima
Setting Pacoima remediation figures against its property market, the resulting ratio sits comfortably in the low tier — a classification that reflects the kind of household financial position where most homeowners can identify documented issues, schedule the work, and absorb the cost without it registering as a significant budget disruption.
Remediation costs in Pacoima are relatively low compared to home values. The $267–$1,400 estimated range is a small fraction of median property value. Home values are 17% below the California average.
Pacoima: Flood History & Water Damage Risk
Flood history in Pacoima spans 3 NFIP claims and 33% flood zone coverage — enough to place it in moderate-exposure territory where flood events are genuinely recurring rather than statistical outliers. That distinction matters for water quality assessment because the connection between flooding and water safety is not uniform across communities. In low-exposure areas, flooding rarely generates the conditions needed to compromise treatment or distribution infrastructure. In high-exposure areas, it can do so repeatedly. Moderate-exposure communities sit in between: flood events occur with enough frequency to make periodic infrastructure stress a reasonable concern, particularly for private well owners and residents in lower-elevation FEMA-designated zones.
Pacoima has a moderate flood history with 3 FEMA claims averaging $2,667 per payout. 33% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$800</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Pacoima
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Pacoima, CA