Water Quality in Fort Smith, MT (59035)

EPA violation data for public water systems serving ZIP code 59035.

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

180

Population

11

Water Systems

57

Violations (5yr)

21

Health-Based

Location

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Water Systems Serving This Area (11)

Worden Ballantine Yellowstone

5 health-based
Groundwater under influence of surface water 800 people served
9 violations (5yr) · 5 health-based
Lead tested: 3 ppb (limit: 15 ppb)

Fort Smith Water And Sewer District

All resolved
Groundwater 450 people served
1 violation (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Fort Smith W And S Dist Fort Smith Tr Pk

Groundwater 350 people served
0 violations

Ok A Beh Marina

9 health-based
Surface water 200 people served
10 violations (5yr) · 9 health-based · All resolved

Yellowtail Dam Gc System

All resolved
Groundwater 125 people served
2 violations (5yr) · All resolved
Lead tested: 11 ppb (limit: 15 ppb)

Fort Smith Water And Sewer Dist

Groundwater 100 people served
0 violations

Cottonwood Camp Fort Smith

2 health-based
Groundwater 85 people served
5 violations (5yr) · 2 health-based

Arrow Creek Trailer Court

5 health-based
Groundwater 75 people served
26 violations (5yr) · 5 health-based · All resolved
Lead tested: 4 ppb (limit: 15 ppb)

Yellowtail Dam Powerplant And Visitor Ce

All resolved
Surface water 48 people served
4 violations (5yr) · All resolved

Yellowtail Dam Mk Upper System

Groundwater 40 people served
0 violations

Fort Smith Visitor Center

Groundwater 25 people served
0 violations

Contaminants Found

Groundwater RuleHealth-Based
14 violations
All resolved
Lead and Copper RuleHealth-Based

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

8 violations
Has active
Nitrate-NitriteHealth-Based
7 violations
All resolved
Long Term 2 Enhanced Surface Water Treatment RuleHealth-Based
4 violations
All resolved
Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

4 violations
Has active
Surface Water Treatment RuleHealth-Based
2 violations
Has active
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

9 violations
All resolved
Interim Enhanced Surface Water Treatment RuleMonitoring
4 violations
All resolved
E. COLIMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
4 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Fort Smith (59035) has more violations than 92% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 57.

Fewer violations 92th 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.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) 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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