Water Quality in Aurora, CO (80120)

EPA violation data for public water systems serving ZIP code 80120.

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

29,725

Population

32

Water Systems

93

Violations (5yr)

4

Health-Based

Location

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Water Systems Serving This Area (32)

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

Meridian Md

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

Eagle River Village Mhp

All resolved
Groundwater 1,500 people served
1 violation (5yr) · All resolved
Lead tested: 1 ppb (limit: 15 ppb)

Foxridge Farms Mhp

All resolved
Groundwater 1,440 people served
24 violations (5yr) · All resolved
Lead tested: 1 ppb (limit: 15 ppb)

Northbrook Villas Mhc

Purchased surface water 1,052 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

River Valley Mhc

Purchased surface water 803 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Skyline Village Mobile Home Pk

1 health-based
Purchased surface water 700 people served
4 violations (5yr) · 1 health-based · All resolved
Lead tested: 6 ppb (limit: 15 ppb)

Franklin Mobile Home Park

All resolved
Purchased surface water 513 people served
8 violations (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

El Morro Mobile Estates

1 health-based
Purchased surface water 504 people served
9 violations (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Lake Fork Mhp

All resolved
Groundwater 487 people served
2 violations (5yr) · All resolved
Lead tested: 0.5 ppb (limit: 15 ppb)

Western Hills Mhp

Purchased surface water 450 people served
3 violations (5yr)
Lead tested: 1 ppb (limit: 15 ppb)

The Rincon Water Cooperative

All resolved
Groundwater 276 people served
4 violations (5yr) · All resolved

Sunrise Village Mobile Home Park

Purchased groundwater 165 people served
0 violations

Cedar Village Mhp

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

Valle Grande Mobile Home Park

All resolved
Groundwater 124 people served
2 violations (5yr) · All resolved

North Breeze Mhp

1 health-based
Groundwater 123 people served
6 violations (5yr) · 1 health-based
Lead tested: 0.4 ppb (limit: 15 ppb)

White Pine Resort

All resolved
Groundwater 110 people served
3 violations (5yr) · All resolved

W Bar K Mobile Home Park

Purchased surface water 110 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Ken Caryl Ranch Wtr & San Dist

Purchased surface water 101 people served
0 violations

Scoop Shovel Mhp

Groundwater 90 people served
0 violations

Redbird Farms Co

Groundwater 52 people served
0 violations

Beacon Dvlpmnt Ctr Day Sch

Groundwater 11 people served
0 violations

Northwoods Inn

Groundwater 0
0 violations

Road House

Groundwater 0
0 violations

Redbird Farms Inc

Groundwater 0
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

17 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
3 violations
Has active
Long Term 2 Enhanced Surface Water Treatment RuleHealth-Based
1 violation
All resolved
Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-Based
1 violation
All resolved
Surface Water Treatment RuleMonitoring
9 violations
All resolved
Public NoticeMonitoring
9 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

8 violations
All resolved
Lead and Copper RuleMonitoring

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

8 violations
Has active
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

8 violations
All resolved
TTHMMonitoring
7 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
5 violations
All resolved
ChloramineMonitoring
3 violations
All resolved
Gross Alpha, Excl. Radon and UMonitoring
2 violations
All resolved
Combined Radium (-226 and -228)Monitoring
2 violations
All resolved
Combined UraniumMonitoring
1 violation
All resolved
Chlorine dioxideMonitoring
1 violation
All resolved
ChloriteMonitoring
1 violation
All resolved
E. COLIMonitoring
1 violation
All resolved
BromateMonitoring
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 (80120) has more violations than 95% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 93.

Fewer violations 95th 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

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

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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