Water Quality in Bozeman, MT (59716)

EPA violation data for public water systems serving ZIP code 59716.

Past Health-Based Violations

2 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 18 monitoring/reporting violations.

More violations than 79% of US ZIP codes.

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

1,795

Population

33

Water Systems

20

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (33)

Bozeman City Of

Surface water 56,000 people served
0 violations
Lead tested: 1.6 ppb (limit: 15 ppb)

Montana State University Bozeman

Purchased surface water 19,200 people served
0 violations
Lead tested: 2.13 ppb (limit: 15 ppb)

Belgrade City Of

Groundwater 10,460 people served
0 violations
Lead tested: 1.79 ppb (limit: 15 ppb)

Big Sky County Water And Sewer Dist 363

All resolved
Groundwater 4,132 people served
1 violation (5yr) · All resolved
Lead tested: 4.84 ppb (limit: 15 ppb)

Meadow Village Big Sky

Groundwater 2,756 people served
0 violations

Big Sky Conoco Travel Shoppe

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

Andesite Ridge Water System

Purchased groundwater 450 people served
0 violations
Lead tested: 3 ppb (limit: 15 ppb)

Gallatin Gateway Inn

All resolved
Groundwater 375 people served
1 violation (5yr) · All resolved
Lead tested: 3 ppb (limit: 15 ppb) Copper tested: 2680 ppb (limit: 1300 ppb)

Lower Pioneer Mountain Water System

Groundwater 350 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Big Sky Of Mont Inc

Groundwater 300 people served
0 violations

Hidden Village

Groundwater 276 people served
0 violations

Big Sky School District No 72

All resolved
Groundwater 275 people served
2 violations (5yr) · All resolved

Rainbow Ranch Lodge

All resolved
Groundwater 210 people served
1 violation (5yr) · All resolved

Big Sky Sd Ophir Elementary School

All resolved
Groundwater 175 people served
3 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Bucks T4

Groundwater 153 people served
0 violations

West Fork Meadows Subdivision

Purchased groundwater 145 people served
0 violations

Whitewater Inn

1 health-based
Groundwater 125 people served
4 violations (5yr) · 1 health-based · All resolved

Lazy J South Subdivision

Groundwater 122 people served
0 violations

Encampment Trail

Groundwater 100 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Hungry Moose Market And Medical Clinic

Groundwater 81 people served
0 violations

Gateway Village System 7

Groundwater 77 people served
0 violations

Sweetgrass Hills Subdivision

Purchased groundwater 75 people served
0 violations

Lone Mountain Guest Ranch

All resolved
Groundwater 75 people served
2 violations (5yr) · All resolved
Lead tested: 0.85 ppb (limit: 15 ppb)

Gateway Village System 5

Groundwater 70 people served
0 violations

Gateway Village System 2

Groundwater 68 people served
0 violations

Gateway Village System 3

Groundwater 68 people served
0 violations

Gateway Village System 4

Groundwater 60 people served
0 violations

Big Sky Business Center

Groundwater 49 people served
0 violations

Spanish Peaks Mountain Club

Groundwater 40 people served
0 violations

Camp Yellowstone Club

Groundwater 40 people served
0 violations

Lone View Ridge Water System

All resolved
Groundwater 37 people served
1 violation (5yr) · All resolved
Lead tested: 1 ppb (limit: 15 ppb)

Aspen Grove Subdivision

Groundwater 35 people served
0 violations

Riverside Tr Ct Big Sky

Groundwater 20 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

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

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

2 violations
All resolved
E. COLIMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1 ppb measured Action level: 15 ppb

Sampled: Jul 2025

Copper (Cu)

Exceeds limit
2680 ppb measured Action level: 1300 ppb

Sampled: Jul 2023

How Does This Compare?

Bozeman (59716) has more violations than 79% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 20.

Fewer violations 79th 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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