Cooper Landing, AK: High Radon Risk — 60/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
While Cooper Landing avoids AK's lowest safety tiers, a portion of its water systems have logged documented violations.
How Cooper Landing Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Cooper Landing Residents
- Homes built before 1986: 59% — older plumbing may contain lead solder.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 12.87 — above typical levels.
Cooper Landing's Water Providers
Federal drinking water records identify 1 system operating in Cooper Landing, AK. One of those systems serves the overwhelming majority of residential addresses, concentrating infrastructure management, rate authority, and EPA compliance reporting within a single organization.
Overview
We track water quality and home safety data for 1 ZIP code in Cooper Landing, Alaska (population ~244), covering 1 community water system serving approximately 3,324 people region-wide.
No EPA violations recorded across any ZIP codes in Cooper Landing — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Cooper Landing: C (60/100)
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
Cooper Landing water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Cooper Landing
- 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.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 99572 | C | SEWARD | 3,324 |
All ZIP Codes in Cooper Landing
- 99572 [C]
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.
Cooper Landing 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
Cooper Landing Infrastructure Age
With 59% 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
Because the majority of Cooper Landing's housing predates 1986, when lead solder was banned from new plumbing, the median build year of 1987 reflects a city where lead-era plumbing materials are common rather than exceptional.
Over half of homes in Cooper Landing 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 Cooper Landing
Given current Cooper Landing valuations, the remediation-to-property-value ratio is low — most homeowners are looking at a proportionally modest share that fits within routine financial planning.
Remediation costs in Cooper Landing 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 105% above the Alaska average.
Cooper Landing: 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.
Even where utility-side monitoring meets Lead and Copper Rule requirements, the 59% pre-rule share in Cooper Landing keeps interior-plumbing variation as a household-level question that aggregate data cannot resolve.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Cooper Landing: Flood History & Water Damage Risk
Over the multi-decade window covered by the National Flood Insurance Program, Cooper Landing has accumulated 1 claim — a total that suggests more than isolated flood exposure. With 100% of ZIP codes in designated flood zones, the water-quality implications of flooding move from hypothetical to periodically relevant: treatment intake can be compromised, wells can be infiltrated, and distribution backflow can occur.
Cooper Landing has a moderate flood history with 1 FEMA claims. 100% 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.
What You Can Do in Cooper Landing
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 59% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Cooper Landing, AK