Water Quality in Helena, MT (59648)

EPA violation data for public water systems serving ZIP code 59648.

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

486

Population

18

Water Systems

71

Violations (5yr)

11

Health-Based

Location

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Water Systems Serving This Area (18)

Helena Water System

3 health-based
Surface water 32,091 people served
3 violations (5yr) · 3 health-based · All resolved
Lead tested: 3 ppb (limit: 15 ppb)

T And T Subdivision

1 health-based
Groundwater 531 people served
8 violations (5yr) · 1 health-based

Lazy I Public House, Llc Dba Lazy I Beer

Groundwater 205 people served
9 violations (5yr)

Canyon Store

Groundwater 154 people served
0 violations

7 R Guest Ranch

Groundwater 108 people served
7 violations (5yr)

Craig Bar

2 health-based
Groundwater 108 people served
6 violations (5yr) · 2 health-based · All resolved

Uncle Joes Oasis Bar And Grill

Groundwater 102 people served
6 violations (5yr)

Holter Lake Lodge

Groundwater under influence of surface water 101 people served
0 violations

Milford Colony Inc

5 health-based
Groundwater 67 people served
28 violations (5yr) · 5 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Bowmans Corner

Groundwater 51 people served
0 violations

Wolf Creek Grocery

Groundwater 50 people served
0 violations

Izaaks

All resolved
Groundwater 50 people served
4 violations (5yr) · All resolved

Papas Burgers And Burritos Water Service

Purchased groundwater 30 people served
0 violations

Trout Shop Cafe Unapproved

Groundwater 25 people served
0 violations

Wolf Creek South Rest Stop

Groundwater 25 people served
0 violations

Wolf Creek North Rest Stop

Groundwater 25 people served
0 violations

Indian Trail Marina Wolfcreek

Groundwater 25 people served
0 violations

Flat Creek Mercantile Unapproved

Purchased surface water 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

33 violations
Has active
ArsenicHealth-Based

A naturally occurring element that can cause cancer and other health effects at high levels.

5 violations
All resolved
Total Haloacetic Acids (HAA5)Health-Based
4 violations
All resolved
Groundwater RuleMonitoring
15 violations
Has active
E. COLIMonitoring
5 violations
Has active
Nitrate-NitriteMonitoring
3 violations
All resolved
Antimony, TotalMonitoring
2 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
All resolved
Public NoticeMonitoring
1 violation
Has active
TTHMMonitoring
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?

Helena (59648) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 71.

Fewer violations 94th 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

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 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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