Bellflower, CA Water Safety: 81/100 (2026)
2 ZIP codes · 3 water systems · Updated 2026-06-03
Tap water in Bellflower, CA scores well — low violation counts, above-average safety grade.
How Bellflower Compares
Data: EPA SDWIS Last verified: 2026-06-03
Bellflower Water: The Quick Version
- Average lead level: 0.0007 mg/L.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 10.71.
Water Systems Serving Bellflower
Water supply in Bellflower, CA follows a divided structure: 3 utilities account for the largest share of residential service out of 3 total systems, each managing its own distribution network and EPA reporting. Because these systems operate independently, rate decisions and compliance outcomes are determined separately.
Overview
We track water quality and home safety data for 2 ZIP codes in Bellflower, California (population ~77,396), covering 3 community water systems serving approximately 120,053 people region-wide.
No EPA violations recorded across any ZIP codes in Bellflower — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Bellflower: B (81/100)
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
Bellflower water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0007 mg/L (EPA action level: 0.015 mg/L)
- 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 |
|---|---|---|---|
| 90706 | B | Bellflower - Somerset Mwc | 46,300 |
| 90707 | B | Bellflower - Somerset Mwc | 46,300 |
All ZIP Codes in Bellflower
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 Bellflower
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
Bellflower: Remediation Cost in Perspective
Property equity in Bellflower runs well ahead of estimated remediation costs — a cost-to-value ratio that sits in the low tier, meaning documented water and safety issues here are the kind homeowners can plan to address without treating the expense as a significant budget event relative to what their homes are worth.
Remediation costs in Bellflower are relatively low compared to home values. The $800–$2,500 estimated range is a small fraction of median property value. Home values are 10% below the California average.
Protecting Children from Lead in Bellflower
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 Bellflower 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 Bellflower
Taken together, Bellflower's 11 NFIP flood insurance claims and 50% FEMA flood zone coverage place it in the moderate range of exposure. That middle position has specific implications for water quality. The contamination pathways that flooding can open — surface water overwhelming treatment facility intake, floodwaters infiltrating private wells, distribution pressure changes creating backflow — are not constant risks in a moderate-exposure community. But they do become active during significant flood events, and the claim record here indicates enough of those events to make flood timing an occasional factor in local water quality conversations.
Bellflower has a moderate flood history with 11 FEMA claims averaging $2,580 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>$1,600</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 Bellflower, CA