Water Quality in Denver, CO (80221)

EPA violation data for public water systems serving ZIP code 80221.

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 14 monitoring/reporting violations.

More violations than 74% of US ZIP codes.

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

39,718

Population

18

Water Systems

15

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (18)

Denver Water Board

All resolved
Surface water 1,287,000 people served
3 violations (5yr) · All resolved
Lead tested: 3.9 ppb (limit: 15 ppb)

Thornton City Of

All resolved
Surface water 226,465 people served
8 violations (5yr) · All resolved
Lead tested: 2.3 ppb (limit: 15 ppb)

Westminster City Of

All resolved
Surface water 202,078 people served
3 violations (5yr) · All resolved
Lead tested: 1.3 ppb (limit: 15 ppb)

South Adams County Wsd

Purchased surface water 74,341 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Brighton City Of

1 health-based
Purchased surface water 56,304 people served
1 violation (5yr) · 1 health-based · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Northglenn City Of

Surface water 48,927 people served
0 violations
Lead tested: 1.7 ppb (limit: 15 ppb)

Crestview Wsd

Purchased surface water 23,756 people served
0 violations

North Pecos Wsd

Purchased surface water 2,500 people served
0 violations

Union Pacific Railroad Co.-Keene Water

Purchased groundwater 208 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Berkley Wtr & San Dist

Purchased surface water 101 people served
0 violations

Valley Vista Estates

Groundwater 51 people served
0 violations
Lead tested: 0.7 ppb (limit: 15 ppb)

Westminster 2-Semper

Surface water 1 people served
0 violations

Eastwood Estates Wd

Groundwater 0
0 violations

Smokeys Bar B Que Inc

Groundwater 0
0 violations

Holly Mutual Wc

Groundwater 0
0 violations

Hamilton Sundstrand Aerospace

Groundwater 0
0 violations

Duplicate Of 201042 Do Not Use

Groundwater 0
0 violations

Denver Tofu Company

Groundwater 0
0 violations

Contaminants Found

TTHMHealth-Based
1 violation
All resolved
Interim Enhanced Surface Water Treatment RuleMonitoring
6 violations
All resolved
Surface Water Treatment RuleMonitoring
3 violations
All resolved
Combined UraniumMonitoring
2 violations
All resolved
Lead and Copper RuleMonitoring

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

1 violation
All resolved
Combined Radium (-226 and -228)Monitoring
1 violation
All resolved
Gross Alpha, Excl. Radon and UMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
3.9 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Denver (80221) has more violations than 74% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 15.

Fewer violations 74th 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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