CITY REPORT MO

Ash Grove, MO: 2 Violations — 82/100 (2026)

1 ZIP code · 2 water systems · Updated 2026-06-03

How does Ash Grove tap water hold up under EPA scrutiny? Above average for MO — documented violations are uncommon and the safety grade reflects a clean overall record.

How Ash Grove Compares

Ash Grove82/100
Missouri avg69/100
National avg67/100

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

1
ZIP Codes
2
Water Systems
1
ZIPs with Violations
B · 82
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$193K
Median Home Value
$400
Est. Remediation (0.2% of home value)

Ash Grove Water: The Quick Version

  • Your city's water systems recorded 2 violations in the past 5 years.
  • Average lead level: 0.0044 mg/L.
  • Homes built before 1986: 55% — older plumbing may contain lead solder.
  • Estimated remediation: $400 per household.
  • CDC health risk index: 13.07 — above typical levels.

Water Systems Serving Ash Grove

With 2 utilities splitting service in Ash Grove, MO, water accountability is distributed across 2 systems on the federal record.

Willard Public Water System
Serves ~8,400 people · 2 violations
82
/100
Ash Grove Public Water System
Serves ~1,472 people · 2 violations
82
/100

Overview

We track water quality and home safety data for 1 ZIP code in Ash Grove, Missouri (population ~3,909), covering 2 community water systems serving approximately 9,872 people region-wide.

1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.

Home Safety Score

Average Home Safety Score for Ash Grove: B (82/100)

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

Ash Grove water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0044 mg/L (EPA action level: 0.015 mg/L)
  • 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.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Consumer Confidence Report Rule Reporting 4 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
65604 B 2 0 Ash Grove Public Water System

All ZIP Codes in Ash Grove

  • 65604 [B] — 2 violations

Data Sources

Updated daily.

CDC Health Data for Ash Grove

10.7%
Asthma (US: 9.8%)
11%
Diabetes (US: 10.4%)
18.1%
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 11% ↑
Mental Health 18.1% ↑

Vertical line = national average. Above national · Below national

Key Contaminants Detected in Ash Grove

Consumer Confidence Report Rule 4 violations
Reporting

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

How Old Is Ash Grove's Housing Stock?

1989
Median Build Year
55%
Built Before 1986
39%
Built Before 1970
Copper
Likely Pipe Material

With 55% 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

Pre-1986 plumbing is not a rare legacy case in Ash Grove — it's the dominant profile. The median build year of 1989 indicates a housing stock where lead-soldered copper joints are a common structural feature of residences across the city.

1989
Median Year Built
55%
Pre-1986 (Lead Paint Risk)
39%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (39%) 1970–1986 (16%) Post-1986 (45%)

Over half of homes in Ash Grove 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.

Ash Grove: Remediation Cost in Perspective

Across Ash Grove, the equity share taken up by estimated remediation is small — a favorable ratio for most property owners.

Median Home Value
$192,700
Est. Remediation
$400
Remediation as % of home value 0.2%

Remediation costs in Ash Grove are relatively low compared to home values. The $0–$800 estimated range is a small fraction of median property value. Home values are 10% above the Missouri average.

Protecting Children from Lead in Ash Grove

55%
Homes Built Before 1986
0.0044
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.

In recent monitoring under the Lead and Copper Rule, citywide samples for Ash Grove have approached or crossed the regulatory action level on multiple occasions. Combined with 55% of stock dating from the pre-rule era, the picture supports baseline single-tap reads as a standard household-level step.

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

Frequently Asked Questions

Is the water safe to drink in Ash Grove, MO?
Ash Grove has an average water safety score of 82/100 (Grade B). 2 EPA violations have been recorded. Check individual ZIP code reports for details specific to your neighborhood.
How many water violations does Ash Grove have?
Ash Grove water systems have a total of 2 EPA violations. Violations are tracked across 1 ZIP code.
Does Ash Grove water have lead?
The average 90th-percentile lead level in Ash Grove is 0.0044 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 Ash Grove compare to Missouri average?
Ash Grove has an average water safety score of 82/100, which is above the Missouri state average of 69/100.
How many water systems serve Ash Grove?
Ash Grove is served by 2 public water systems across 1 ZIP code, serving approximately 3,909 people.
How much does it cost to fix water issues in Ash Grove?
Estimated remediation costs in Ash Grove average $400 per household, ranging from $0 to $800. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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