Concord, CA Home Safety: Home Safety Score unavailable
8 ZIP codes · 3 water systems · Updated
Data: EPA SDWIS
What You Should Know About Concord Water
- Average lead level: 0.0031 mg/L.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 11.19.
Who Supplies Your Water in Concord
Residential addresses in Concord, CA are served by 3 primary water providers out of 3 systems in federal records. Each system maintains separate infrastructure and files its own EPA compliance reports, so service conditions are not uniform across the city.
Overview
We track home safety data for 8 ZIP codes in Concord, California (population ~125,546), covering 3 community water systems serving approximately 284,231 people region-wide. The EPA snapshots used for this build directly map water systems to 4 of 8 ZIP codes.
The available EPA record reports 0 violations for 4 ZIP codes with a reported violation count.
Water Sources
Concord water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0031 mg/L (EPA action level: 0.015 mg/L)
- 0 of 4 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 7 ZIP codes
- Zone 3 (Low): 1 ZIP code
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 94518 | — | Contra Costa Water District | 198,000 |
| 94519 | — | Contra Costa Water District | 198,000 |
| 94520 | — | Contra Costa Water District | 198,000 |
| 94521 | — | Contra Costa Water District | 198,000 |
All ZIP Codes in Concord
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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Health Outcomes in Concord
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 Concord Homeowners
Placing remediation in the context of Concord's property market, the equity share is low - most homeowners here are weighing a financial commitment that fits comfortably within routine property planning, far from the threshold where remediation becomes a material equity decision rather than a standard upkeep consideration.
Remediation costs in Concord are relatively low compared to home values. The $750–$2,750 estimated range is a small fraction of median property value. Home values are 11% above the California average.
Lead Exposure Risk for Children in Concord
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 Concord 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.
Historical NFIP Claim Context in Concord
Historical NFIP data for Concord contains 71 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $4,225. Among ZIP codes with claim records, 80% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
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. The <strong>$1,600</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Concord, CA