Water Quality in Billings, MT (59104)

EPA violation data for public water systems serving ZIP code 59104.

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

18

Water Systems

24

Violations (5yr)

8

Health-Based

Location

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Water Systems Serving This Area (18)

Greycliff Rest Area Eastbound

4 health-based
Groundwater 2,500 people served
7 violations (5yr) · 4 health-based · All resolved

Greycliff Rest Area Westbound

3 health-based
Groundwater 1,000 people served
4 violations (5yr) · 3 health-based · All resolved

Hardin Eastbound Rest Area

All resolved
Groundwater 877 people served
1 violation (5yr) · All resolved

Columbus Rest Area Eastbound

Groundwater 800 people served
0 violations

Columbus Rest Area Westbound

Groundwater 800 people served
0 violations

Hardin Westbound Rest Area

Groundwater 715 people served
2 violations (5yr)

Hysham Rest Area Westbound

Groundwater 500 people served
0 violations

Custer Rest Area Westbound

1 health-based
Groundwater 400 people served
1 violation (5yr) · 1 health-based · All resolved

Bridger Rest Area

Groundwater 400 people served
2 violations (5yr)

Custer Rest Area Eastbound

All resolved
Groundwater 400 people served
2 violations (5yr) · All resolved

Hysham Rest Area Eastbound

Groundwater 400 people served
0 violations

South Hills Water And Sewer Dist

Surface water 350 people served
0 violations

Roberts Rest Area

All resolved
Groundwater 100 people served
4 violations (5yr) · All resolved

Columbus Rest Areas E & W

Groundwater 50 people served
0 violations

Cop Construction Llc

All resolved
Purchased surface water 30 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Mossmain Scale East Bound

Groundwater 25 people served
0 violations

Mossmain Scale West Bound

Groundwater 25 people served
0 violations

J And J Water

Purchased surface water 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

13 violations
All resolved
E. COLIMonitoring
6 violations
Has active
Nitrate-NitriteMonitoring
4 violations
All resolved
Lead and Copper RuleMonitoring

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

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?

Billings (59104) has more violations than 81% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 24.

Fewer violations 81th 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.

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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