Water Quality in Rock Springs, WY (82935)

EPA violation data for public water systems serving ZIP code 82935.

Past Health-Based Violations

38 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 11 monitoring/reporting violations.

More violations than 91% of US ZIP codes.

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

12,012

Population

26

Water Systems

49

Violations (5yr)

38

Health-Based

Location

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Water Systems Serving This Area (26)

Rock Springs, City Of

Purchased surface water 24,000 people served
0 violations
Lead tested: 3 ppb (limit: 15 ppb)

Green River, City Of

All resolved
Purchased surface water 10,500 people served
2 violations (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Tata Chemicals Soda Ash Partners, Llc

36 health-based
Surface water 701 people served
39 violations (5yr) · 36 health-based · All resolved
Lead tested: 6 ppb (limit: 15 ppb)

Jamestown-Rio Vista W&S District

Purchased surface water 560 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Sisecam Wyoming Llc

2 health-based
Surface water 450 people served
2 violations (5yr) · 2 health-based · All resolved

American Soda Llc

Surface water 450 people served
0 violations
Lead tested: 6 ppb (limit: 15 ppb)

Rio Vista Homesites Water Serv

Surface water 300 people served
0 violations

Rahonce Trailer Court

Purchased surface water 165 people served
0 violations

Hutton Heights Trailer Park

Purchased surface water 150 people served
0 violations

Sheltered Valley Mhp

Purchased surface water 129 people served
0 violations

Desert Trails Mhp

All resolved
Purchased surface water 112 people served
4 violations (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Rolling Green Country Club

Groundwater under influence of surface water 100 people served
0 violations

We Soda Alkali, Lp-Granger Facility

All resolved
Surface water 95 people served
2 violations (5yr) · All resolved
Lead tested: 3 ppb (limit: 15 ppb)

Cottonwood Water Users Assoc

Surface water 60 people served
0 violations

Flaming Gorge Trailer Court

Purchased surface water 60 people served
0 violations

Dolence Acres Camping

Groundwater 50 people served
0 violations

Tex'S Travel Camp

Surface water 38 people served
0 violations

Union Pacific Railroad

Groundwater 30 people served
0 violations

Union Pacific Rr-West Vaco

Groundwater 25 people served
0 violations

Bicent Park/Sweetwater Cnty

Groundwater 25 people served
0 violations

Rock Springs/Green River Jpb

Surface water 25 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Union Pacific Rr Bitter Crk

Groundwater 25 people served
0 violations

Mckinnon School

Groundwater 0
0 violations

Gaensslen Ranch Water System

Surface water 0
0 violations

Church & Dwight Co., Inc.

Purchased surface water 0
0 violations

Seedskadee National Wildlife Refuge

Groundwater 0
0 violations

Contaminants Found

Total Haloacetic Acids (HAA5)Health-Based
16 violations
All resolved
TTHMHealth-Based
16 violations
All resolved
Interim Enhanced Surface Water Treatment RuleHealth-Based
5 violations
All resolved
Long Term 2 Enhanced Surface Water Treatment RuleHealth-Based
4 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

3 violations
All resolved
Lead and Copper RuleMonitoring

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

2 violations
All resolved
Surface Water Treatment RuleMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
2 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Rock Springs (82935) has more violations than 91% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 49.

Fewer violations 91th 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.

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

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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