Water Quality in Great Falls, MT (59472)

EPA violation data for public water systems serving ZIP code 59472.

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

507

Population

7

Water Systems

19

Violations (5yr)

4

Health-Based

Location

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Water Systems Serving This Area (7)

Great Falls City Of

Surface water 60,000 people served
0 violations
Lead tested: 8 ppb (limit: 15 ppb)

Centerville School

3 health-based
Groundwater 292 people served
5 violations (5yr) · 3 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Tracy Water Users Corp

All resolved
Groundwater 200 people served
1 violation (5yr) · All resolved

Sand Coulee Water Users District

1 health-based
Groundwater 180 people served
4 violations (5yr) · 1 health-based
Lead tested: 3 ppb (limit: 15 ppb)

Big Stone Colony Inc

All resolved
Groundwater 130 people served
1 violation (5yr) · All resolved

Centerville School

Groundwater 50 people served
0 violations

Centerville Bar

All resolved
Groundwater 40 people served
8 violations (5yr) · All resolved

Contaminants Found

Groundwater RuleHealth-Based
5 violations
All resolved
Nitrate-NitriteMonitoring
6 violations
All resolved
Lead and Copper RuleMonitoring

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

3 violations
Has active
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
Has active
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
E. COLIMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Approaching limit
8 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Great Falls (59472) has more violations than 78% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 19.

Fewer violations 78th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

Whole House Carbon Filter

A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.

Targets:Chlorine, Sediment, Taste & Odor

Look for:NSF/ANSI 42 certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

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