Water Quality in Williamstown, MO (63473)

EPA violation data for public water systems serving ZIP code 63473.

No Health-Based Violations

None of the 2 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are2 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 36% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

375

Population

2

Water Systems

2

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (2)

Clark County Cons Pwsd 1

All resolved
Groundwater 7,140 people served
2 violations (5yr) · All resolved

Clark Co Pwsd #1- Willia

Purchased groundwater 1,902 people served
0 violations

Contaminants Found

Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved

How Does This Compare?

Williamstown (63473) has more violations than 36% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 2, most of which are monitoring/reporting issues.

Fewer violations 36th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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