CITY REPORT ND

Williston, ND: 2 Violations - Home Safety Score unavailable

3 ZIP codes · 3 water systems · Updated

Data: EPA SDWIS

3
ZIP Codes
3
Water Systems
1
ZIPs with Violations
Zone 1
Radon Risk (High)
$280K
Median Home Value
$2,333
Est. Remediation (0.8% of home value)

Key Facts for Williston Residents

  • Your city's water systems recorded 2 violations in the past 5 years.
  • Average lead level: 0.0017 mg/L.
  • Estimated remediation: $2,333 per household.
  • CDC health risk index: 11.99.

Williston's Water Providers

Throughout Williston, ND, water comes from one of 3 primary utilities out of 3 total systems - independent providers with different rate structures, infrastructure, and compliance records that vary across the service territory.

Overview

We track home safety data for 3 ZIP codes in Williston, North Dakota, covering 3 community water systems serving approximately 33,969 people. The EPA snapshots used for this build directly map water systems to 1 of 3 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

Williston water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0017 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 1 (High Risk)

  • Zone 1 (High): 3 ZIP codes
  • Zone 2 (Moderate): 0 ZIP codes
  • Zone 3 (Low): 0 ZIP codes

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

Top Contaminants

Contaminant Category Violations ZIPs Affected
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
58801 2 0 City of Williston

All ZIP Codes in Williston

Data Sources

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

Williston Community Health Snapshot

10.2%
Asthma (US: 9.8%)
8.9%
Diabetes (US: 10.4%)
16%
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 10.2% ↑
Diabetes 8.9% ↓
Mental Health 16% ↑

Vertical line = national average. Above national · Below national

What's in Williston's Water?

Total Trihalomethanes (TTHM) 2 violations
Disinfection Byproducts · EPA limit: 0.08 mg/L
Increased cancer risk with long-term exposure
Haloacetic Acids (HAA5) 2 violations
Disinfection Byproducts · EPA limit: 0.06 mg/L
Increased cancer risk with long-term exposure

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

How Remediation Costs Compare in Williston

The household financial picture for Williston homeowners is proportionally favorable - addressing documented issues claims a small slice of equity, and the cost-to-value ratio puts this area well within the manageable tier.

Median Home Value
$279,800
Est. Remediation
$2,333
Remediation as % of home value 0.8%

Remediation costs in Williston are relatively low compared to home values. The $1,533–$3,233 estimated range is a small fraction of median property value. Home values are 60% above the North Dakota average.

Williston: Lead Risk & Vulnerable Populations

0.0017
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.

Lead risk in Williston appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.

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

Williston: NFIP Claim Records and Water-Quality Context

15
Total FEMA Flood Claims
$22,209
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Williston contains 15 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $22,209. Among ZIP codes with claim records, 0% 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>$2,333</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 Williston have?
Williston water systems have a total of 2 EPA violations. Violations are tracked across 3 ZIP codes.
Does Williston water have lead?
The average 90th-percentile lead level in Williston is 0.0017 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 many water systems serve Williston?
Williston is served by 3 public water systems across 3 ZIP codes, serving approximately 33,969 people.
How much does it cost to fix water issues in Williston?
Estimated remediation costs in Williston average $2,333 per household, ranging from $1,533 to $3,233. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesNorth Dakota → Williston, ND

How to cite this page

APA ZipCheckup. (2026). Williston, ND: 2 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/nd/williston/
BibTeX
@misc{zipcheckup-cities-nd-williston,
  author = {{ZipCheckup}},
  title  = {{Williston, ND: 2 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/nd/williston/}
}

Page version: August 2026.

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