Water Quality in Hardin, MT (59034)

EPA violation data for public water systems serving ZIP code 59034.

No Health-Based Violations

None of the 15 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are47 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 90% of US ZIP codes.

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

5,008

Population

15

Water Systems

47

Violations (5yr)

0

Health-Based

Location

Loading map...

Water Systems Serving This Area (15)

Hardin City Of

All resolved
Surface water 3,500 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Purple Cow Family Restaurant

Purchased surface water 400 people served
0 violations

Purple Cow Family Restaurant

Purchased surface water 350 people served
0 violations

Big Horn Co Historical Museum

Purchased surface water 206 people served
0 violations

Spring Creek Rv Park, Bar And Grill

All resolved
Groundwater 106 people served
8 violations (5yr) · All resolved

Hardin Koa

Groundwater 102 people served
0 violations

Hardin Koa Cistern

All resolved
Purchased surface water 100 people served
4 violations (5yr) · All resolved

Wegner Water Service Bottling Plant

Purchased surface water 50 people served
0 violations

Merr I Mack Texaco Service

Groundwater 50 people served
0 violations

Quality Water

Purchased surface water 50 people served
0 violations

Wegner Water Service Hauler

Purchased surface water 50 people served
16 violations (5yr)

Big Horn Iga

Purchased surface water 40 people served
0 violations

Hardin Interstate Shell

Purchased surface water 35 people served
0 violations

Big Horn River Golf Club

All resolved
Purchased surface water 30 people served
17 violations (5yr) · All resolved

Community School District #16

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

34 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

8 violations
Has active
Lead and Copper RuleMonitoring

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

2 violations
Has active
TTHMMonitoring
1 violation
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved
Nitrate-NitriteMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

Hardin (59034) has more violations than 90% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 47, most of which are monitoring/reporting issues.

Fewer violations 90th 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.

Nearby ZIP Codes

Check Another ZIP Code