CITY REPORT WA

Deming, WA Water Safety: 90/100 (2026)

1 ZIP code · 4 water systems · Updated 2026-06-03

Public water monitoring in Deming shows a safety record well above the WA median — health-based violations are isolated exceptions rather than recurring patterns, the city's systems have stayed compliant across recent reporting cycles, and no cluster of recurring exceedances appears in any single service area.

How Deming Compares

Deming90/100
Washington avg78/100
National avg67/100

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

1
ZIP Codes
4
Water Systems
0
ZIPs with Violations
A · 90
Avg Safety Score
Zone 3
Radon Risk (Low)
$432K
Median Home Value
$1,200
Est. Remediation (0.3% of home value)

Key Facts for Deming Residents

  • Average lead level: 0.0032 mg/L.
  • Homes built before 1986: 36% — older plumbing may contain lead solder.
  • Estimated remediation: $1,200 per household.
  • CDC health risk index: 10.84.

Deming's Water Providers

In Deming, WA, residential water supply is distributed across multiple utilities rather than concentrated in one. The 3 leading providers out of 4 tracked systems each control their own infrastructure, file separate EPA compliance reports, and set independent rate schedules.

Columbia Valley Water District
Serves ~2,648 people
90
/100
90
/100
Deming Water Assoc.
Serves ~501 people
90
/100

Overview

We track water quality and home safety data for 1 ZIP code in Deming, Washington, covering 4 community water systems serving approximately 3,080 people.

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

Home Safety Score

Average Home Safety Score for Deming: A (90/100)

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

Deming water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0032 mg/L (EPA action level: 0.015 mg/L)
  • 0 ZIP codes exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 3 (Low Risk)

Areas with No Violations

ZIP Code Safety Score System Population
98244 A Columbia Valley Water District 2,648

All ZIP Codes in Deming

Data Sources

Updated daily.

Deming Community Health Snapshot

10.7%
Asthma (US: 9.8%)
8.8%
Diabetes (US: 10.4%)
17.9%
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 10.7% ↑
Diabetes 8.8% ↓
Mental Health 17.9% ↑

Vertical line = national average. Above national · Below national

Deming Infrastructure Age

1996
Median Build Year
36%
Built Before 1986
14%
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

Tap water lead levels are shaped by two factors: what the utility delivers, and what the household plumbing adds to it. Older homes contribute disproportionately to that second variable because lead solder was standard in copper plumbing before 1986, and lead pipes were common before 1970. In Deming, where the median build year is 1996, a substantial share of the housing stock falls into these older categories. The bar chart above breaks out the pre-1970, 1970-to-1986, and post-1986 segments — the key ages for understanding where plumbing-era risk concentrates across the city.

1996
Median Year Built
36%
Pre-1986 (Lead Paint Risk)
14%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (14%) 1970–1986 (22%) Post-1986 (64%)

Most homes in Deming 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 Deming

Placing remediation in the context of Deming's property market, the equity share is low — most homeowners here are weighing a financial commitment that fits comfortably within routine property planning, far from the threshold where remediation becomes a material equity decision rather than a standard upkeep consideration.

Median Home Value
$431,900
Est. Remediation
$1,200
Remediation as % of home value 0.3%

Remediation costs in Deming are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 8% below the Washington average.

Deming: Lead Risk & Vulnerable Populations

36%
Homes Built Before 1986
0.0032
mg/L Avg Lead (Limit: 0.015)

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.

Practically, the structural drivers in Deming — 36% pre-rule stock and citywide monitoring at or beyond the regulatory benchmark — make an in-home draw the practical way to translate aggregate averages into the specific conditions at one address.

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

Deming: Flood History & Water Damage Risk

Flood activity in Deming is neither negligible nor at the level of the highest-exposure areas in the NFIP dataset. The 29-claim record and 100% flood zone coverage suggest a community that has experienced recurrent events but has not faced the kind of sustained, severe exposure where water-supply contamination becomes a primary public health concern. It sits in a middle range where flood history merits inclusion in any complete local water quality picture.

29
Total FEMA Flood Claims
$13,716
Avg Claim Payout
100%
ZIPs in FEMA Flood Zones
~1
Est. Claims/Year

Deming has a moderate flood history with 29 FEMA claims averaging $13,716 per payout. 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>$1,200</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.

Frequently Asked Questions

Is the water safe to drink in Deming, WA?
Deming has an average water safety score of 90/100 (Grade A). No EPA violations on record. Check individual ZIP code reports for details specific to your neighborhood.
Does Deming water have lead?
The average 90th-percentile lead level in Deming is 0.0032 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home — testing is recommended especially in older properties.
How does Deming compare to Washington average?
Deming has an average water safety score of 90/100, which is above the Washington state average of 78/100.
How many water systems serve Deming?
Deming is served by 4 public water systems across 1 ZIP code, serving approximately 3,080 people.
How much does it cost to fix water issues in Deming?
Estimated remediation costs in Deming average $1,200 per household, ranging from $800 to $1,800. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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