CITY REPORT OK 49 HEALTH VIOLATIONS

Dewar, OK: 55 Violations - 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 3
Radon Risk (Low)
$85K
Median Home Value
$1,800
Est. Remediation (2.1% of home value)

What You Should Know About Dewar Water

  • Your city's water systems recorded 55 violations in the past 5 years.
  • Homes built before 1986: 63% - older plumbing may contain lead solder.
  • Estimated remediation: $1,800 per household.
  • CDC health risk index: 16.33 - above typical levels.

Who Supplies Your Water in Dewar

At present, 2 utilities serve the bulk of Dewar, OK's residential water connections out of 2 systems active in the area, spread across independent providers with separate infrastructure and compliance obligations.

Overview

We track home safety data for 1 ZIP code in Dewar, Oklahoma (population ~869), covering 2 community water systems serving approximately 3,803 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. 49 health-based violations appear in the available health breakdown.

Water Sources

Dewar water systems draw from: Surface water.

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 3 (Low Risk)

Top Contaminants

Contaminant Category Violations ZIPs Affected
Haloacetic Acids (HAA5) Disinfection Byproducts 56 1
Total Trihalomethanes (TTHM) Disinfection Byproducts 38 1
Stage 2 DBP Rule Treatment Technique 8 1
Surface Water Treatment Rule Treatment Technique 4 1
Contaminant 1006 Other 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
74431 55 49 Okmulgee Company Rwd #1

All ZIP Codes in Dewar

  • 74431 - 55 violations ⚠

Data Sources

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

Health Outcomes in Dewar

12.7%
Asthma (US: 9.8%)
15.4%
Diabetes (US: 10.4%)
19.5%
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 12.7% ↑
Diabetes 15.4% ↑
Mental Health 19.5% ↑

Vertical line = national average. Above national · Below national

Top Contaminants in Dewar Water

Haloacetic Acids (HAA5) 56 violations
Disinfection Byproducts · EPA limit: 0.06 mg/L
Increased cancer risk with long-term exposure
Total Trihalomethanes (TTHM) 38 violations
Disinfection Byproducts · EPA limit: 0.08 mg/L
Increased cancer risk with long-term exposure
Stage 2 DBP Rule 8 violations
Treatment Technique
Disinfection byproduct exposure risk

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

Housing & Infrastructure in Dewar

1975
Median Build Year
63%
Built Before 1986
26%
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

Heavily weighted toward older construction, Dewar's housing stock carries a median build year of 1975. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.

1975
Median Year Built
63%
Pre-1986 (Lead Paint Risk)
26%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (26%) 1970–1986 (37%) Post-1986 (37%)

Over half of homes in Dewar 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.

Cost Context: What Remediation Means for Dewar Homeowners

In Dewar, the remediation-to-property-value ratio is elevated enough that homeowners who identify documented issues early have an advantage - understanding the scope, sequencing by urgency, and phasing the work against household budget capacity are the practical levers that determine whether remediation feels manageable or overwhelming at this equity tier.

Median Home Value
$85,200
Est. Remediation
$1,800
Remediation as % of home value 2.1%

At 2.1% of home value, remediation costs in Dewar represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $1,100–$3,300. Home values here are 41% below the Oklahoma average.

Lead Exposure Risk for Children in Dewar

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.

When older housing represents 63% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual Dewar address.

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

Historical NFIP Claim Context in Dewar

6
Total FEMA Flood Claims
$19,729
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Dewar contains 6 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $19,729. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

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. The <strong>$1,800</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Frequently Asked Questions

How many water violations does Dewar have?
Dewar water systems have a total of 55 EPA violations, including 49 health-based violations. Violations are tracked across 1 ZIP code.
How many water systems serve Dewar?
Dewar is served by 2 public water systems across 1 ZIP code, serving approximately 869 people.
How much does it cost to fix water issues in Dewar?
Estimated remediation costs in Dewar average $1,800 per household, ranging from $1,100 to $3,300. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesOklahoma → Dewar, OK

How to cite this page

APA ZipCheckup. (2026). Dewar, OK: 55 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/ok/dewar/
BibTeX
@misc{zipcheckup-cities-ok-dewar,
  author = {{ZipCheckup}},
  title  = {{Dewar, OK: 55 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ok/dewar/}
}

Page version: August 2026.

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