Susanville, CA Water Safety: 95/100 (2026)
2 ZIP codes · 5 water systems · Updated 2026-06-03
Water utilities in Susanville have maintained a consistent compliance record over recent monitoring periods — the city's above-average grade in CA reflects low violation rates and no systemic health concerns flagged in current data.
How Susanville Compares
Data: EPA SDWIS Last verified: 2026-06-03
Susanville Water: The Quick Version
- Average lead level: 0.0041 mg/L.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 13.09 — above typical levels.
Water Systems Serving Susanville
Residential water service in Susanville, CA is divided among 3 separate utilities, drawn from 5 systems on file with federal regulators.
Overview
We track water quality and home safety data for 2 ZIP codes in Susanville, California, covering 5 community water systems serving approximately 20,892 people.
No EPA violations recorded across any ZIP codes in Susanville — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Susanville: A (95/100)
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
Susanville water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0041 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 2 ZIP codes
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 96127 | A | City of Susanville | 7,811 |
| 96130 | A | City of Susanville | 7,811 |
All ZIP Codes in Susanville
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.
CDC Health Data for Susanville
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
Susanville: Remediation Cost in Perspective
Within the Susanville market, estimated remediation claims a small portion of typical property equity — the financial burden is proportionally low.
Remediation costs in Susanville are relatively low compared to home values. The $1,200–$2,500 estimated range is a small fraction of median property value. Home values are 65% below the California average.
Protecting Children from Lead in Susanville
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Susanville appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Susanville
Susanville's flood exposure sits in the moderate range: 48 NFIP claims on record and 50% of ZIP codes within FEMA-designated flood zones. Residents with private wells or older infrastructure have reasonable grounds to factor flood timing into their water quality awareness.
Susanville has a moderate flood history with 48 FEMA claims averaging $21,396 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>$1,800</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.
Deep Dive Reports
Detailed analysis for Susanville, CA