CITY REPORT MO 1 HEALTH VIOLATIONS

Warrenton, MO: 8 Violations - Home Safety Score unavailable

1 ZIP code · 5 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
5
Water Systems
1
ZIPs with Violations
Zone 2
Radon Risk (Moderate)
$228K
Median Home Value
$3,200
Est. Remediation (1.4% of home value)

Warrenton Water: The Quick Version

  • Your city's water systems recorded 8 violations in the past 5 years.
  • Average lead level: 0.0021 mg/L.
  • Homes built before 1986: 30% - older plumbing may contain lead solder.
  • Estimated remediation: $3,200 per household.
  • CDC health risk index: 15.35 - above typical levels.

Water Systems Serving Warrenton

In Warrenton, MO, residential water supply is distributed across multiple utilities rather than concentrated in one. The 3 leading providers out of 5 tracked systems each control their own infrastructure, file separate EPA compliance reports, and set independent rate schedules.

Overview

We track home safety data for 1 ZIP code in Warrenton, Missouri, covering 5 community water systems serving approximately 16,120 people. 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. 1 health-based violation appear in the available health breakdown.

Water Sources

Warrenton water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0021 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 2 (Moderate Risk)

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

Top Contaminants

Contaminant Category Violations ZIPs Affected
Stage 2 DBP Rule Treatment Technique 4 1
Total Trihalomethanes (TTHM) Disinfection Byproducts 2 1
Haloacetic Acids (HAA5) Disinfection Byproducts 2 1
Stage 1 DBP Rule Treatment Technique 2 1
Lead and Copper Rule Treatment Technique 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
63383 8 1 Montgomery Company Pwsd 1

All ZIP Codes in Warrenton

  • 63383 - 8 violations ⚠

Data Sources

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

CDC Health Data for Warrenton

10.9%
Asthma (US: 9.8%)
13.9%
Diabetes (US: 10.4%)
18.2%
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 10.9% ↑
Diabetes 13.9% ↑
Mental Health 18.2% ↑

Vertical line = national average. Above national · Below national

Key Contaminants Detected in Warrenton

Stage 2 DBP Rule 4 violations
Treatment Technique
Disinfection byproduct exposure risk
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 Old Is Warrenton's Housing Stock?

1992
Median Build Year
30%
Built Before 1986
8%
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 Warrenton, where the median build year is 1992, 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.

1992
Median Year Built
30%
Pre-1986 (Lead Paint Risk)
8%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (8%) 1970–1986 (22%) Post-1986 (70%)

Most homes in Warrenton 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.

Warrenton: Remediation Cost in Perspective

Although the Warrenton remediation share is moderate, it remains reachable for most homeowners who plan for the expense in advance.

Median Home Value
$227,600
Est. Remediation
$3,200
Remediation as % of home value 1.4%

Remediation costs are moderate relative to home values in Warrenton. The estimated $1,950–$5,400 range is manageable for most homeowners but still worth budgeting for. Home values are 30% above the Missouri average.

Protecting Children from Lead in Warrenton

30%
Homes Built Before 1986
0.0021
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.

Where pre-rule stock represents a smaller fraction of the inventory - 30% across Warrenton - the structural drivers of household exposure run thinner. Aggregate readings under the federal benchmark reinforce that picture, with one-home draws remaining the only direct measurement for a specific address.

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

Historical Flood-Claim Evidence for Warrenton

13
Total FEMA Flood Claims
$101,224
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Warrenton contains 13 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $101,224. 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>$3,200</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 Warrenton have?
Warrenton water systems have a total of 8 EPA violations, including 1 health-based violation. Violations are tracked across 1 ZIP code.
Does Warrenton water have lead?
The average 90th-percentile lead level in Warrenton is 0.0021 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 Warrenton?
Warrenton is served by 5 public water systems across 1 ZIP code, serving approximately 16,120 people.
How much does it cost to fix water issues in Warrenton?
Estimated remediation costs in Warrenton average $3,200 per household, ranging from $1,950 to $5,400. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesMissouri → Warrenton, MO

How to cite this page

APA ZipCheckup. (2026). Warrenton, MO: 8 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/mo/warrenton/
BibTeX
@misc{zipcheckup-cities-mo-warrenton,
  author = {{ZipCheckup}},
  title  = {{Warrenton, MO: 8 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/mo/warrenton/}
}

Page version: August 2026.

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