CITY REPORT OR

Deer Island, OR Water Safety: 63/100 (2026)

1 ZIP code · 1 water system · Updated 2026-06-03

Compared to top-scoring cities in OR, Deer Island lands in the middle tier — some water systems meet standards cleanly, others carry documented violations, and performance can vary significantly across service areas.

How Deer Island Compares

Deer Island63/100
Oregon avg78/100
National avg67/100

Data: EPA SDWIS Last verified: 2026-06-03

1
ZIP Codes
1
Water Systems
0
ZIPs with Violations
C · 63
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$426K
Median Home Value
$2,200
Est. Remediation (0.5% of home value)

Key Facts for Deer Island Residents

  • Homes built before 1986: 40% — older plumbing may contain lead solder.
  • Estimated remediation: $2,200 per household.
  • CDC health risk index: 13.5 — above typical levels.

Deer Island's Water Providers

Deer Island, OR draws its water from one primary utility across 1 tracked system.

COLUMBIA CITY MUN WATERWORKS
Serves ~1,995 people
63
/100

Overview

We track water quality and home safety data for 1 ZIP code in Deer Island, Oregon, covering 1 community water system serving approximately 1,404 people.

No EPA violations recorded across any ZIP codes in Deer Island — an excellent indicator of water quality.

Home Safety Score

Average Home Safety Score for Deer Island: C (63/100)

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

Deer Island water systems draw from: Groundwater.

Lead & Copper

  • Lead data: not yet available for Deer Island
  • 0 ZIP codes 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.

Areas with No Violations

ZIP Code Safety Score System Population
97054 C COLUMBIA CITY MUN WATERWORKS 1,995

All ZIP Codes in Deer Island

Data Sources

Updated daily.

Deer Island Community Health Snapshot

12.1%
Asthma (US: 9.8%)
12.7%
Diabetes (US: 10.4%)
18%
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 12.1% ↑
Diabetes 12.7% ↑
Mental Health 18% ↑

Vertical line = national average. Above national · Below national

Deer Island Infrastructure Age

1998
Median Build Year
40%
Built Before 1986
17%
Built Before 1970
Copper
Likely Pipe Material

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

Two regulatory milestones define plumbing-era risk in residential housing: 1970, when lead pipes were still commonly installed for service lines, and 1986, when lead solder was banned from new copper plumbing. A median build year of 1998 places Deer Island in the middle zone between those thresholds — with a meaningful share of housing predating both cutoffs. The distribution shown above breaks out those eras explicitly, clarifying where concentrated risk sits across the residential inventory.

1998
Median Year Built
40%
Pre-1986 (Lead Paint Risk)
17%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (17%) 1970–1986 (23%) Post-1986 (60%)

Most homes in Deer Island 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 Deer Island

Within the Deer Island market, estimated remediation claims a small portion of typical property equity — the financial burden is proportionally low.

Median Home Value
$426,400
Est. Remediation
$2,200
Remediation as % of home value 0.5%

Remediation costs in Deer Island are relatively low compared to home values. The $1,200–$3,300 estimated range is a small fraction of median property value. Home values are 5% above the Oregon average.

Deer Island: Lead Risk & Vulnerable Populations

40%
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.

If 40% of the Deer Island inventory comes from before the federal ban on lead-bearing solder — and if utility samples sit at or near 0.015 mg/L — the gap between citywide averages and one specific faucet becomes a practical concern rather than a theoretical one. That is why one-home reads exist as a separate measurement. A certified filter through retailer networks addresses confirmed exposure where it appears in a household.

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

Deer Island: Flood History & Water Damage Risk

NFIP records stretching across multiple decades show Deer Island accumulating 1 claim and carrying 100% of its ZIP codes inside FEMA flood zones — evidence of meaningful exposure that extends beyond isolated incidents. The mechanisms linking flooding to water quality haven't changed: treatment facilities can be overwhelmed, wells can be infiltrated, and distribution systems can experience backflow. For a community at this exposure level, those mechanisms shift from hypothetical to periodically relevant.

1
Total FEMA Flood Claims
100%
ZIPs in FEMA Flood Zones

Deer Island 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>$2,200</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 Deer Island

  1. 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.
  2. Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
  3. Check your home's plumbing. With 40% of homes built before 1986, lead solder is a real possibility.

Frequently Asked Questions

Is the water safe to drink in Deer Island, OR?
Deer Island has an average water safety score of 63/100 (Grade C). No EPA violations on record. Check individual ZIP code reports for details specific to your neighborhood.
How does Deer Island compare to Oregon average?
Deer Island has an average water safety score of 63/100, which is below the Oregon state average of 78/100.
How many water systems serve Deer Island?
Deer Island is served by 1 public water system across 1 ZIP code, serving approximately 1,404 people.
How much does it cost to fix water issues in Deer Island?
Estimated remediation costs in Deer Island average $2,200 per household, ranging from $1,200 to $3,300. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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