Water Quality in Miles City, MT (59349)

EPA violation data for public water systems serving ZIP code 59349.

Past Health-Based Violations

3 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 143 monitoring/reporting violations.

More violations than 98% of US ZIP codes.

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

1,025

Population

14

Water Systems

146

Violations (5yr)

3

Health-Based

Location

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Water Systems Serving This Area (14)

Miles City City Of

3 health-based
Surface water 9,565 people served
6 violations (5yr) · 3 health-based · All resolved
Lead tested: 3 ppb (limit: 15 ppb) ✓

Terry High School District No 5

All resolved
Groundwater 133 people served
9 violations (5yr) · All resolved
Lead tested: 4 ppb (limit: 15 ppb) ✓

Grandey School

Groundwater 125 people served
0 violations

Downtown Wua

Groundwater 100 people served
0 violations

Terrys Landing

Groundwater 100 people served
0 violations

Prairie Community Hospital

All resolved
Groundwater 80 people served
2 violations (5yr) · All resolved
Lead tested: 4 ppb (limit: 15 ppb) ✓

Diamond Motel And Campground Llc

All resolved
Groundwater 62 people served
8 violations (5yr) · All resolved

Roy Rogers Tavern

Groundwater 50 people served
0 violations

Roy Rogers Tavern

Groundwater 50 people served
0 violations

Fort General Terry Inc

Groundwater 50 people served
0 violations

Yellowstone Bar & Cafe

Groundwater 50 people served
0 violations

Bolin Elementary School Dist 5

All resolved
Groundwater 45 people served
121 violations (5yr) · All resolved
Lead tested: 1 ppb (limit: 15 ppb) ✓

Kempton Hotel Terry

Groundwater 25 people served
0 violations

Roy'S Trailer Court

Groundwater 25 people served
0 violations

Contaminants Found

Surface Water Treatment RuleHealth-Based
4 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

19 violations
All resolved
Lead and Copper RuleMonitoring

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

4 violations
All resolved
Nitrate-NitriteMonitoring
4 violations
All resolved
2,4-DMonitoring
4 violations
All resolved
AtrazineMonitoring
4 violations
All resolved
HEXACHLOROBENZENEMonitoring
4 violations
All resolved
CarbofuranMonitoring
4 violations
All resolved
PicloramMonitoring
4 violations
All resolved
DalaponMonitoring
4 violations
All resolved
LASSOMonitoring
4 violations
All resolved
SimazineMonitoring
4 violations
All resolved
BHC-GAMMAMonitoring
4 violations
All resolved
ChlordaneMonitoring
4 violations
All resolved
2,4,5-TPMonitoring
4 violations
All resolved
HeptachlorMonitoring
4 violations
All resolved
Di(2-ethylhexyl) adipateMonitoring
4 violations
All resolved
ToxapheneMonitoring
4 violations
All resolved
OXAMYLMonitoring
4 violations
All resolved
DinosebMonitoring
4 violations
All resolved
HexachlorocyclopentadieneMonitoring
4 violations
All resolved
EndrinMonitoring
4 violations
All resolved
Di(2-ethylhexyl) phthalateMonitoring
4 violations
All resolved
MethoxychlorMonitoring
4 violations
All resolved
Benzo(a)pyreneMonitoring
4 violations
All resolved
Heptachlor epoxideMonitoring
4 violations
All resolved
PentachlorophenolMonitoring
4 violations
All resolved
Long Term 2 Enhanced Surface Water Treatment RuleMonitoring
2 violations
All resolved
1,2-DichloropropaneMonitoring
1 violation
All resolved
cis-1,2-DichloroethyleneMonitoring
1 violation
All resolved
p-DichlorobenzeneMonitoring
1 violation
All resolved
TrichloroethyleneMonitoring
1 violation
All resolved
StyreneMonitoring
1 violation
All resolved
EthylbenzeneMonitoring
1 violation
All resolved
1,1-DichloroethyleneMonitoring
1 violation
All resolved
trans-1,2-DichloroethyleneMonitoring
1 violation
All resolved
1,1,2-TrichloroethaneMonitoring
1 violation
All resolved
Carbon tetrachlorideMonitoring
1 violation
All resolved
o-DichlorobenzeneMonitoring
1 violation
All resolved
1,2,4-TrichlorobenzeneMonitoring
1 violation
All resolved
1,1,1-TrichloroethaneMonitoring
1 violation
All resolved
TolueneMonitoring
1 violation
All resolved
CHLOROBENZENEMonitoring
1 violation
All resolved
1,2-DichloroethaneMonitoring
1 violation
All resolved
BenzeneMonitoring
1 violation
All resolved
TetrachloroethyleneMonitoring
1 violation
All resolved
Xylenes, TotalMonitoring
1 violation
All resolved
DICHLOROMETHANEMonitoring
1 violation
All resolved
Vinyl chlorideMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Miles City (59349) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 146.

Fewer violations 98th 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.

Whole House Carbon Filter

A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.

Targets:Chlorine, Sediment, Taste & Odor

Look for:NSF/ANSI 42 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

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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