Artesia, CA Water Safety: 58/100 (2026)
2 ZIP codes · 2 water systems · Updated 2026-06-03
Across water systems in Artesia, 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 Artesia Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Artesia Residents
- Estimated remediation: $1,300 per household.
- CDC health risk index: 10.71.
Artesia's Water Providers
Water delivery in Artesia, CA is handled by 2 utilities rather than a single system — drawn from 2 providers in federal records, each filing its own compliance reports and setting its own rates.
Overview
We track water quality and home safety data for 2 ZIP codes in Artesia, California (population ~16,044), covering 2 community water systems serving approximately 120,099 people region-wide.
No EPA violations recorded across any ZIP codes in Artesia — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Artesia: C (58/100)
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
Artesia water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Artesia
- 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): 2 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 |
|---|---|---|---|
| 90701 | C | CERRITOS - CITY, WATER DEPT. | 47,475 |
| 90702 | D | CERRITOS - CITY, WATER DEPT. | 47,475 |
All ZIP Codes in Artesia
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.
Artesia 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 Artesia
Equity impact data for Artesia lands in the favorable tier — remediation claims a small slice of what properties here are worth.
Remediation costs in Artesia are relatively low compared to home values. The $600–$2,100 estimated range is a small fraction of median property value. Home values are 3% above the California average.
Artesia: Flood History & Water Damage Risk
Flood risk in Artesia occupies the middle ground: 2 NFIP claims and 50% of local ZIP codes within FEMA flood zones. At that level, the risk pathways connecting flooding to water quality — treatment system stress, well infiltration, distribution backflow — become relevant considerations during significant flood events, even if day-to-day water quality is unaffected by flood history.
Artesia has a moderate flood history with 2 FEMA claims averaging $16,036 per payout. 50% 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>$1,300</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 Artesia
- 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 Artesia, CA