Water Quality in Casper, WY (82604)

EPA violation data for public water systems serving ZIP code 82604.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 35 monitoring/reporting violations.

More violations than 87% of US ZIP codes.

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

27,487

Population

30

Water Systems

36

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (30)

Casper, City Of

Purchased surface water 59,000 people served
0 violations

Evansville, Town Of

All resolved
Surface water 2,728 people served
2 violations (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Vista West Water Company

All resolved
Purchased surface water 1,600 people served
2 violations (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Pioneer Water & Sewer District

All resolved
Purchased surface water 1,500 people served
3 violations (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Alcova Resort Llc

Purchased groundwater 450 people served
0 violations

Natrona County Int'L Airport

1 health-based
Purchased surface water 375 people served
6 violations (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) Copper tested: 1500 ppb (limit: 1300 ppb)

Air Base Acres I&S District

All resolved
Purchased surface water 236 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Tradewinds Trailer Park

Groundwater 200 people served
0 violations

Poison Spider I&S District

Purchased surface water 200 people served
0 violations

Rancho Mobile Home Park

Purchased surface water 150 people served
0 violations

Pleasant View Water Company

Purchased surface water 130 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Wardwell Campground

Surface water 100 people served
0 violations

Lariat Mhp

Purchased surface water 95 people served
0 violations

Lord Of Lords Lutheran Church

Groundwater 70 people served
0 violations

Webb Creek Ranches

Groundwater 70 people served
0 violations

Indian Springs Subdivision

Groundwater 60 people served
0 violations

Ur-Energy Usa, Lost Creek Isr

All resolved
Groundwater 60 people served
22 violations (5yr) · All resolved
Lead tested: 217 ppb (limit: 15 ppb) Copper tested: 9600 ppb (limit: 1300 ppb)

Coleman Lane Park

Purchased surface water 50 people served
0 violations

Total Minerals

Groundwater 50 people served
0 violations

Powder River School

Groundwater 50 people served
0 violations

Mile-Hi I&S District

Purchased surface water 48 people served
0 violations
Lead tested: 3 ppb (limit: 15 ppb)

Red Creek School

Groundwater 45 people served
0 violations

Masek Subdivision Prop Owners

Purchased surface water 34 people served
0 violations

Central Wy Regional Water System Jpb

Surface water 25 people served
0 violations

Blm Lodgepole Campground

Groundwater 25 people served
0 violations

Moorcroft Investments

Groundwater 25 people served
0 violations

Trailside General Store #36

Purchased surface water 0
0 violations

Baggs Man Camp

Groundwater 0
0 violations

Bates Creek

Groundwater 0
0 violations

Goose Egg Inn

Groundwater 0
0 violations

Contaminants Found

Lead and Copper RuleHealth-Based

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

5 violations
All resolved
Surface Water Treatment RuleMonitoring
4 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

4 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
All resolved
TTHMMonitoring
1 violation
All resolved
p-DichlorobenzeneMonitoring
1 violation
All resolved
Carbon tetrachlorideMonitoring
1 violation
All resolved
1,1,2-TrichloroethaneMonitoring
1 violation
All resolved
CHLOROBENZENEMonitoring
1 violation
All resolved
1,2-DichloroethaneMonitoring
1 violation
All resolved
BenzeneMonitoring
1 violation
All resolved
StyreneMonitoring
1 violation
All resolved
1,1-DichloroethyleneMonitoring
1 violation
All resolved
EthylbenzeneMonitoring
1 violation
All resolved
1,2-DichloropropaneMonitoring
1 violation
All resolved
TetrachloroethyleneMonitoring
1 violation
All resolved
DICHLOROMETHANEMonitoring
1 violation
All resolved
TolueneMonitoring
1 violation
All resolved
1,2,4-TrichlorobenzeneMonitoring
1 violation
All resolved
1,1,1-TrichloroethaneMonitoring
1 violation
All resolved
o-DichlorobenzeneMonitoring
1 violation
All resolved
Xylenes, TotalMonitoring
1 violation
All resolved
Vinyl chlorideMonitoring
1 violation
All resolved
cis-1,2-DichloroethyleneMonitoring
1 violation
All resolved
TrichloroethyleneMonitoring
1 violation
All resolved
trans-1,2-DichloroethyleneMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2025

Copper (Cu)

Exceeds limit
9600 ppb measured Action level: 1300 ppb

Sampled: Jan 2025

How Does This Compare?

Casper (82604) has more violations than 87% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 36.

Fewer violations 87th 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

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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