Water Quality in Aurora, CO (80112)

EPA violation data for public water systems serving ZIP code 80112.

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

36,816

Population

23

Water Systems

35

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (23)

Aurora City Of

Surface water 533,407 people served
0 violations
Lead tested: 2.5 ppb (limit: 15 ppb)

Castle Rock Town Of

All resolved
Surface water 106,822 people served
8 violations (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Highlands Ranch Wsd

Surface water 103,444 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

Parker Wsd

Surface water 75,949 people served
7 violations (5yr)
Lead tested: 2 ppb (limit: 15 ppb)

East Cherry Creek Valley Wsd

All resolved
Purchased surface water 66,130 people served
4 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Englewood City Of

1 health-based
Surface water 57,332 people served
6 violations (5yr) · 1 health-based · All resolved
Lead tested: 5 ppb (limit: 15 ppb)

Southgate Wsd

Purchased surface water 55,000 people served
0 violations

Southwest Metropolitan Wsd

Purchased surface water 48,648 people served
0 violations

Arapahoe Cnty Wwwa

Groundwater 31,000 people served
0 violations
Lead tested: 1.1 ppb (limit: 15 ppb)

Meridian Md

All resolved
Purchased surface water 23,415 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Willows Wd

Purchased surface water 19,000 people served
0 violations

Cottonwood Wsd

Purchased surface water 10,867 people served
7 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Inverness Wsd

All resolved
Purchased surface water 8,140 people served
1 violation (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Elkhorn Ranch Md No 1

Groundwater 530 people served
0 violations
Lead tested: 0.5 ppb (limit: 15 ppb)

Prairie Wc

Groundwater 300 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Lincoln Park West Metro Dist.

Groundwater 50 people served
0 violations

Southgate Wtr Dist

Purchased surface water 26 people served
0 violations

Williams Mountain West No 4

Purchased groundwater 20 people served
0 violations

Stanley House

Purchased surface water 12 people served
0 violations

Orchard Hills Wd

Groundwater 0
0 violations

Dominion Wsd

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

Colorado Racket Club Inc

Groundwater 0
0 violations

Civeo - Well Site Services

Purchased surface water 0
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
Surface Water Treatment RuleMonitoring
5 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

4 violations
All resolved
Gross Alpha, Excl. Radon and UMonitoring
2 violations
All resolved
Combined Radium (-226 and -228)Monitoring
2 violations
All resolved
Lead and Copper RuleMonitoring

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

2 violations
Has active
ChloramineMonitoring
2 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
2 violations
All resolved
TTHMMonitoring
2 violations
All resolved
Combined UraniumMonitoring
1 violation
All resolved
LEAD AND COPPER RULE REVISIONSMonitoring
1 violation
Has active
ChloriteMonitoring
1 violation
All resolved
Chlorine dioxideMonitoring
1 violation
All resolved
E. COLIMonitoring
1 violation
All resolved
BromateMonitoring
1 violation
All resolved
Public NoticeMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
2 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Aurora (80112) has more violations than 86% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 35.

Fewer violations 86th 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.

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