CITY REPORT WA

Rock Island, WA - Home Safety Score unavailable

1 ZIP code · 2 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
2
Water Systems
1
ZIPs with Violations
Zone 2
Radon Risk (Moderate)
$331K
Median Home Value
$400
Est. Remediation (0.1% of home value)

Key Facts for Rock Island Residents

  • Your city's water systems recorded 6 violations in the past 5 years.
  • Homes built before 1986: 63% - older plumbing may contain lead solder.
  • Estimated remediation: $400 per household.
  • CDC health risk index: 12.37 - above typical levels.

Rock Island's Water Providers

Residential water in Rock Island, WA is supplied by 2 separate utilities - not one centralized authority. Each of those providers operates under its own service territory boundary, maintains its own distribution infrastructure, and files compliance documentation with the EPA on its own timeline. Federal data counts 2 water systems in the area, with these providers collectively accounting for the dominant share of household connections.

Overview

We track home safety data for 1 ZIP code in Rock Island, Washington (population ~1,825), covering 2 community water systems serving approximately 42,709 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.

Water Sources

Rock Island water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0000 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Surface Water Treatment Rule Treatment Technique 4 1
Consumer Confidence Report Rule Reporting 4 1
Total Trihalomethanes (TTHM) Disinfection Byproducts 2 1
Haloacetic Acids (HAA5) Disinfection Byproducts 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
98850 6 0 East Wenatchee Water District

All ZIP Codes in Rock Island

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Rock Island Community Health Snapshot

10.6%
Asthma (US: 9.8%)
11%
Diabetes (US: 10.4%)
16.6%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 10.6% ↑
Diabetes 11% ↑
Mental Health 16.6% ↑

Vertical line = national average. Above national · Below national

What's in Rock Island's Water?

Surface Water Treatment Rule 4 violations
Treatment Technique
Pathogens may not be adequately removed
Consumer Confidence Report Rule 4 violations
Reporting
Total Trihalomethanes (TTHM) 2 violations
Disinfection Byproducts · EPA limit: 0.08 mg/L
Increased cancer risk with long-term exposure

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Rock Island Infrastructure Age

1971
Median Build Year
63%
Built Before 1986
16%
Built Before 1970
Copper
Likely Pipe Material

With 63% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Federal plumbing rules changed in two stages - lead pipes were phased out before 1970, and lead solder was banned in 1986 - but in Rock Island, where the median build year is 1971, most of the housing was already in place before those rules took effect. The materials installed under older standards remain embedded in a substantial portion of the residential inventory today.

1971
Median Year Built
63%
Pre-1986 (Lead Paint Risk)
16%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (16%) 1970–1986 (47%) Post-1986 (37%)

Over half of homes in Rock Island were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

How Remediation Costs Compare in Rock Island

Property equity in Rock Island 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.

Median Home Value
$331,100
Est. Remediation
$400
Remediation as % of home value 0.1%

Remediation costs in Rock Island are relatively low compared to home values. The $0–$800 estimated range is a small fraction of median property value. Home values are 29% below the Washington average.

Rock Island: Lead Risk & Vulnerable Populations

63%
Homes Built Before 1986

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.

Households with kids in the home - for whom CDC guidance places particular weight on minimizing exposure - face a specific local picture in Rock Island. 63% of homes here come from the pre-rule era, and aggregate utility samples either approach or cross 0.015 mg/L. A baseline draw-test kit and certified lead-removal filtration are available via retailer networks for households confirming conditions at a specific tap.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Frequently Asked Questions

How many water violations does Rock Island have?
Rock Island water systems have a total of 6 EPA violations. Violations are tracked across 1 ZIP code.
How many water systems serve Rock Island?
Rock Island is served by 2 public water systems across 1 ZIP code, serving approximately 1,825 people.
How much does it cost to fix water issues in Rock Island?
Estimated remediation costs in Rock Island average $400 per household, ranging from $0 to $800. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesWashington → Rock Island, WA

How to cite this page

APA ZipCheckup. (2026). Rock Island, WA - Home Safety Score unavailable. https://zipcheckup.com/cities/wa/rock-island/
BibTeX
@misc{zipcheckup-cities-wa-rock-island,
  author = {{ZipCheckup}},
  title  = {{Rock Island, WA - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/wa/rock-island/}
}

Page version: August 2026.

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