Water Quality in Douglas, WY (82637)

EPA violation data for public water systems serving ZIP code 82637.

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 2 monitoring/reporting violations.

More violations than 48% of US ZIP codes.

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

4,425

Population

16

Water Systems

4

Violations (5yr)

2

Health-Based

Location

Loading map...

Water Systems Serving This Area (16)

Douglas, City Of

Surface water 6,400 people served
0 violations
Lead tested: 6 ppb (limit: 15 ppb)

Glenrock, Town Of

1 health-based
Groundwater 2,466 people served
1 violation (5yr) · 1 health-based · All resolved

Rolling Hills, Town Of

Groundwater 450 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Dave Johnston Power Plant

All resolved
Groundwater 165 people served
1 violation (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Silver Spruce Ranch

Groundwater 100 people served
0 violations

Country Estates Wtr & Swr Dist

Purchased groundwater 53 people served
0 violations

Power Resources Inc/Smith Ranch

Groundwater 40 people served
0 violations
Lead tested: 4 ppb (limit: 15 ppb)

Glenrock South Recreation Complex

1 health-based
Groundwater 30 people served
2 violations (5yr) · 1 health-based · All resolved

Deer Creek Village Rv Park

Purchased groundwater 28 people served
0 violations

El Diablo Supper Club

Groundwater 25 people served
0 violations

Deer Creek Campground

Groundwater 25 people served
0 violations

Power Resources Inc/Cameco-N. Butte Isr

Groundwater 14 people served
0 violations

River Bend Rv/Campground

Groundwater 13 people served
0 violations

Ailport Properties D/B/A Rock Hard Cem.

Groundwater 6 people served
0 violations

Power Res Inc Highland Uranium

Groundwater 0
0 violations

Glenrock Coal Company

Groundwater 0
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
Groundwater RuleHealth-Based
1 violation
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

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?

Douglas (82637) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 4.

Fewer violations 48th 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.

Nearby ZIP Codes

Check Another ZIP Code