Water Quality in Lakewood, CO (80135)

EPA violation data for public water systems serving ZIP code 80135.

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

4,141

Population

30

Water Systems

64

Violations (5yr)

7

Health-Based

Location

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Water Systems Serving This Area (30)

Arvada City Of

All resolved
Surface water 171,610 people served
4 violations (5yr) · All resolved
Lead tested: 3.1 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)

Consolidated Mutual Maple Grove

Surface water 81,400 people served
0 violations
Lead tested: 5 ppb (limit: 15 ppb)

Parker Wsd

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

Consolidated Mutual Water Company

Purchased surface water 54,669 people served
0 violations

Green Mountain Wsd

All resolved
Purchased surface water 49,400 people served
1 violation (5yr) · All resolved

Bancroft Clover Wsd

Purchased surface water 44,000 people served
0 violations

Golden City Of

Surface water 38,288 people served
0 violations
Lead tested: 0 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)

Thunderbird Wsd

All resolved
Groundwater 490 people served
2 violations (5yr) · All resolved
Lead tested: 5 ppb (limit: 15 ppb)

Silver State Baptist Youth Camp

2 health-based
Groundwater 306 people served
5 violations (5yr) · 2 health-based

Sanctuary Golf Course

Groundwater 240 people served
0 violations

Cherokee Ranch And Castle

Groundwater 213 people served
0 violations

Ymca Camp Shady Brook

All resolved
Groundwater under influence of surface water 208 people served
10 violations (5yr) · All resolved

Titan Road Industrial Park

Groundwater 120 people served
0 violations

Lost Valley Ranch Corp

All resolved
Groundwater 106 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Core Electric Cooperative

3 health-based
Groundwater 81 people served
4 violations (5yr) · 3 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Horse Creek Saloon & Cg

Groundwater 72 people served
0 violations

Sacred Heart Retreat Jesuits

All resolved
Groundwater 67 people served
1 violation (5yr) · All resolved

Fergy'S Deli

Groundwater 57 people served
0 violations

Leja'S Kitchen

1 health-based
Groundwater 54 people served
3 violations (5yr) · 1 health-based · All resolved

Sprucewood Inn

All resolved
Groundwater 46 people served
3 violations (5yr) · All resolved

Rainbow Falls North Wtr Assn

Groundwater 40 people served
0 violations

View Ridge Mutual Wc

1 health-based
Groundwater 35 people served
13 violations (5yr) · 1 health-based
Lead tested: 2 ppb (limit: 15 ppb)

Parker Steakhouse

Groundwater 0
0 violations

Trumbull Inn

Groundwater 0
0 violations

Twin Cedars Resort

Groundwater 0
0 violations

Duplicate Of 230310 Do Not Use

Surface water 0
0 violations

Indian Creek Market

Groundwater 0
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

14 violations
All resolved
TTHMHealth-Based
5 violations
All resolved
Groundwater RuleHealth-Based
1 violation
All resolved
Surface Water Treatment RuleMonitoring
10 violations
All resolved
Public NoticeMonitoring
9 violations
Has active
Interim Enhanced Surface Water Treatment RuleMonitoring
4 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
3 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
All resolved
Lead and Copper RuleMonitoring

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

2 violations
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

2 violations
All resolved
Combined UraniumMonitoring
1 violation
All resolved
Gross Alpha, Excl. Radon and UMonitoring
1 violation
All resolved
Combined Radium (-226 and -228)Monitoring
1 violation
All resolved
LEAD AND COPPER RULE REVISIONSMonitoring
1 violation
Has active
Chlorine dioxideMonitoring
1 violation
All resolved
ChloriteMonitoring
1 violation
All resolved
E. COLIMonitoring
1 violation
All resolved
ChloramineMonitoring
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
2 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Lakewood (80135) has more violations than 93% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 64.

Fewer violations 93th 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

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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