Ridgefield, WA: 1 Violation — 70/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Tap water in Ridgefield, WA scores well — low violation counts, above-average safety grade.
How Ridgefield Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Ridgefield Residents
- Your city's water systems recorded 1 violation in the past 5 years.
- Average lead level: 0.0021 mg/L.
- Homes built before 1986: 27% — older plumbing may contain lead solder.
- Estimated remediation: $3,000 per household.
- CDC health risk index: 11.85.
Ridgefield's Water Providers
Throughout Ridgefield, WA, water comes from one of 2 primary utilities out of 2 total systems — independent providers with different rate structures, infrastructure, and compliance records that vary across the service territory.
Overview
We track water quality and home safety data for 1 ZIP code in Ridgefield, Washington (population ~26,379), covering 2 community water systems serving approximately 137,843 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Ridgefield: B (70/100)
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
Ridgefield water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0021 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 98642 | B | 1 | 0 | Ridgefield Public Works |
All ZIP Codes in Ridgefield
- 98642 [B] — 1 violation
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.
Ridgefield 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
What's in Ridgefield's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Ridgefield Infrastructure Age
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
The median home in Ridgefield was built in 2008, after the federal ban on lead solder in plumbing. Most of the housing stock postdates that cutoff, placing typical plumbing risk on the lower end — though any home built before 1986 still warrants individual testing.
Most homes in Ridgefield were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Ridgefield
At current valuations, Ridgefield sits in the low remediation-share tier — the equity impact of fixing documented issues is proportionally minor.
Remediation costs in Ridgefield are relatively low compared to home values. The $2,000–$4,100 estimated range is a small fraction of median property value. Home values are 33% above the Washington average.
Ridgefield: Lead Risk & Vulnerable Populations
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.
Locally, Ridgefield's indicators line up: aggregate readings pass under the regulatory benchmark and the pre-rule housing footprint at 27% keeps lead in a background position.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Ridgefield: Flood History & Water Damage Risk
The NFIP's multi-decade dataset for Ridgefield shows limited claims and limited zone coverage — a pattern that holds consistent implications for water quality. Flooding disrupts treatment systems and distribution infrastructure in proportion to event frequency, and environments with infrequent flood activity keep those disruption pathways largely dormant.
Ridgefield has a relatively low flood history with 1 FEMA claims on record. While risk is limited, severe weather events can still impact water infrastructure.
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>$3,000</strong> remediation cost per household.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Ridgefield, WA