Water Quality in Lakewood, CO (80439)

EPA violation data for public water systems serving ZIP code 80439.

Past Health-Based Violations

18 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 63 monitoring/reporting violations.

More violations than 94% of US ZIP codes.

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

24,610

Population

29

Water Systems

81

Violations (5yr)

18

Health-Based

Location

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Water Systems Serving This Area (29)

Arvada City Of

All resolved
Surface water 171,610 people served
4 violations (5yr) · All resolved
Lead tested: 3.1 ppb (limit: 15 ppb)

Consolidated Mutual Maple Grove

Surface water 81,400 people served
0 violations
Lead tested: 5 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)

Evergreen Md

All resolved
Surface water 15,750 people served
7 violations (5yr) · All resolved
Lead tested: 6 ppb (limit: 15 ppb)

Idaho Springs City Of

All resolved
Surface water 10,432 people served
5 violations (5yr) · All resolved
Lead tested: 7 ppb (limit: 15 ppb)

Homestead Wc

10 health-based
Surface water 1,000 people served
25 violations (5yr) · 10 health-based · All resolved
Lead tested: 2 ppb (limit: 15 ppb) Copper tested: 1370 ppb (limit: 1300 ppb)

Grand Central Station

Groundwater 575 people served
0 violations

Kittredge - Town Of

Groundwater 350 people served
0 violations

Mountain View Estates Mhc

1 health-based
Purchased surface water 198 people served
6 violations (5yr) · 1 health-based · All resolved

Hidden Valley Water District

2 health-based
Purchased surface water 155 people served
13 violations (5yr) · 2 health-based · All resolved
Lead tested: 3.5 ppb (limit: 15 ppb)

Leyden Wtr Dist

Purchased surface water 150 people served
0 violations

Evergreen South

Groundwater 80 people served
0 violations
Lead tested: 4.5 ppb (limit: 15 ppb)

Fairplay Mbl Hm Pk - Evergreen

Groundwater 75 people served
0 violations

Evergreen Community Mhp

1 health-based
Purchased surface water 53 people served
6 violations (5yr) · 1 health-based · All resolved

Cragmont Wc

4 health-based
Surface water 50 people served
13 violations (5yr) · 4 health-based · All resolved
Lead tested: 0.5 ppb (limit: 15 ppb)

Bearly Tawl Day Care

All resolved
Groundwater 48 people served
1 violation (5yr) · All resolved
Lead tested: 3 ppb (limit: 15 ppb)

Keys On The Green-Evrgrn Glf C

Groundwater 48 people served
0 violations

Bear Creek Cabins

Groundwater 30 people served
0 violations

Bergen Park Trlr Ct

Groundwater 29 people served
0 violations

Singing River Ranch

Surface water 3 people served
0 violations

Aspen Park Hot Dog Llc The

Groundwater under influence of surface water 0
0 violations

Saddleback Summit

Groundwater 0
0 violations

Our House Childrens Lrng Cntr

Groundwater 0
0 violations

Whippletree Restaurant

Groundwater 0
0 violations

Montessori Community School

Groundwater 0
0 violations

El Rancho Restaurant

Surface water 0
0 violations

Contaminants Found

Surface Water Treatment RuleHealth-Based
25 violations
All resolved
Gross Alpha, Excl. Radon and UHealth-Based
10 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
3 violations
All resolved
Lead and Copper RuleHealth-Based

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

3 violations
All resolved
Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-Based
3 violations
All resolved
Interim Enhanced Surface Water Treatment RuleMonitoring
18 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

10 violations
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

6 violations
All resolved
Public NoticeMonitoring
2 violations
All resolved
Combined UraniumMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
5 ppb measured Action level: 15 ppb

Sampled: Jan 2025

Copper (Cu)

Exceeds limit
1370 ppb measured Action level: 1300 ppb

Sampled: Jul 2023

How Does This Compare?

Lakewood (80439) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 81.

Fewer violations 94th 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

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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