Water Quality in Potosi, MO (63664)

EPA violation data for public water systems serving ZIP code 63664.

No Health-Based Violations

None of the 22 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are34 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 85% of US ZIP codes.

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

9,693

Population

22

Water Systems

34

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (22)

Potosi Pws

All resolved
Groundwater 2,527 people served
2 violations (5yr) · All resolved
Lead tested: 1.61 ppb (limit: 15 ppb)

Potosi East

All resolved
Groundwater 900 people served
1 violation (5yr) · All resolved
Lead tested: 4.36 ppb (limit: 15 ppb)

Ymca Trout Lodge & Camp Lakewood

All resolved
Groundwater 800 people served
2 violations (5yr) · All resolved

Washington County Pwsd 1

Purchased groundwater 503 people served
2 violations (5yr)
Lead tested: 1.45 ppb (limit: 15 ppb)

Twin Eagles Lake Rv And Hideout

All resolved
Groundwater 130 people served
3 violations (5yr) · All resolved

Ymca Ozarks East Camp

Groundwater 100 people served
6 violations (5yr)

Shirley Head Start

Groundwater 75 people served
0 violations

Shirley Elem School

Groundwater 60 people served
0 violations

Fourche Valley Golf Club

All resolved
Groundwater 50 people served
3 violations (5yr) · All resolved

Pacos C Store

Groundwater 50 people served
0 violations

L & M Mobile Home Park

Groundwater 50 people served
0 violations

Usfs-Marble Creek

Groundwater 50 people served
0 violations

Reed Lumber Company Llc

All resolved
Groundwater 45 people served
1 violation (5yr) · All resolved
Lead tested: 7.7 ppb (limit: 15 ppb)

Little Learners Academy

Groundwater 37 people served
10 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Summit Acres Mhp

Groundwater 36 people served
0 violations

Quick Stop Convenience Store

All resolved
Groundwater 25 people served
1 violation (5yr) · All resolved

Potosi R Iii Schools Ballfield Complex

Groundwater 25 people served
0 violations

Spring Lake Ranch

All resolved
Groundwater 25 people served
3 violations (5yr) · All resolved

Ymca Of The Ozarks Sunnen Recreation

Groundwater 25 people served
0 violations

Nl Baroid-Cadet Washer Plant

Groundwater 25 people served
0 violations

Nl Baroid-Fountain Farm Plant

Groundwater 25 people served
0 violations

French Village

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

19 violations
Has active
Public NoticeMonitoring
10 violations
Has active
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
Has active
LEAD AND COPPER RULE REVISIONSMonitoring
2 violations
Has active
Nitrate-NitriteMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Approaching limit
7.7 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

Potosi (63664) has more violations than 85% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 34, most of which are monitoring/reporting issues.

Fewer violations 85th 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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