North Hollywood, CA Water Safety: 57/100 (2026)
11 ZIP codes · 2 water systems · Updated 2026-06-03
Across water systems in North Hollywood, 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 North Hollywood Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: North Hollywood, CA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
How ZIP codes in North Hollywood score across all safety grades.
What You Should Know About North Hollywood Water
- Estimated remediation: $945 per household.
- CDC health risk index: 10.71.
Who Supplies Your Water in North Hollywood
North Hollywood, CA draws its residential water from 2 separate providers among the 2 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.
Overview
We track water quality and home safety data for 11 ZIP codes in North Hollywood, California (population ~152,081), covering 2 community water systems serving approximately 3,981,169 people region-wide.
No EPA violations recorded across any ZIP codes in North Hollywood — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for North Hollywood: C (57/100)
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
North Hollywood water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for North Hollywood
- 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): 11 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 |
|---|---|---|---|
| 91601 | C | Los Angeles-city, Department of Water & Power | 3,875,566 |
| 91602 | C | Los Angeles-city, Department of Water & Power | 3,875,566 |
| 91603 | C | BURBANK-CITY, WATER DEPT. | 105,603 |
| 91605 | C | Los Angeles-city, Department of Water & Power | 3,875,566 |
| 91606 | C | Los Angeles-city, Department of Water & Power | 3,875,566 |
| 91609 | D | BURBANK-CITY, WATER DEPT. | 105,603 |
| 91611 | D | BURBANK-CITY, WATER DEPT. | 105,603 |
| 91612 | D | BURBANK-CITY, WATER DEPT. | 105,603 |
| 91615 | D | BURBANK-CITY, WATER DEPT. | 105,603 |
| 91616 | D | BURBANK-CITY, WATER DEPT. | 105,603 |
All ZIP Codes in North Hollywood
- 91601 [C]
- 91602 [C]
- 91603 [C]
- 91605 [C]
- 91606 [C]
- 91609 [D]
- 91611 [D]
- 91612 [D]
- 91615 [D]
- 91616 [D]
- 91618 [D]
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.
Health Outcomes in North Hollywood
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
Cost Context: What Remediation Means for North Hollywood Homeowners
When estimated remediation is placed alongside median property values in North Hollywood, the resulting ratio is low — a finding consistent with a household financial perspective where documented issues can be addressed without a meaningful impact on overall equity position, making this market one of the more favorable contexts for remediation planning.
Remediation costs in North Hollywood are relatively low compared to home values. The $364–$1,618 estimated range is a small fraction of median property value. Home values are 30% above the California average.
Flood & Climate Risk in North Hollywood
Multiple flood events have been recorded for North Hollywood through the NFIP — 36 claims in total, with 36% of ZIP codes in FEMA-designated zones — pointing to a flood exposure profile that merits inclusion in a water quality assessment without reaching high-severity planning territory.
North Hollywood has a moderate flood history with 36 FEMA claims averaging $4,907 per payout. 36% 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>$945</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 North Hollywood
- 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 North Hollywood, CA