A90/100
Lakewood Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 246,159 residents · Colorado
What's In Lakewood's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
2
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 510.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
WIKIUP MHP
Population Served
2,500
Water Source
Groundwater
System ID
CO0101180
FRIENDLY VILLAGE OF AURORA MHP
Population Served
1,786
Water Source
Purchased Surface Water
System ID
CO0101287
KIMBERLY HILLS MHP
Population Served
2,005
Water Source
Purchased Surface Water
System ID
CO0101443
PINE LAKES RANCH
Population Served
1,905
Water Source
Purchased Surface Water
System ID
CO0101610
REDWOOD ESTATES
Population Served
1,500
Water Source
Purchased Surface Water
System ID
CO0101667
SPRING VALLEY MD NO 1
Population Served
1,788
Water Source
Groundwater
System ID
CO0120717
CANTERBURY PARK
Population Served
1,240
Water Source
Purchased Surface Water
System ID
CO0121167
THE SPRINGS MHP
Population Served
1,229
Water Source
Purchased Groundwater
System ID
CO0121718
ALAMEDA WSD
Population Served
2,480
Water Source
Purchased Surface Water
System ID
CO0130116
BEAR CREEK WSD
Population Served
30,000
Water Source
Purchased Surface Water
System ID
CO0130138
HIGH VIEW WD
Population Served
4,000
Water Source
Purchased Surface Water
System ID
CO0130344
CONSOLIDATED MUTUAL MAPLE GROVE
Population Served
81,400
Water Source
Surface Water
System ID
CO0130020
BANCROFT CLOVER WSD
Population Served
44,000
Water Source
Purchased Surface Water
System ID
CO0130133
GREEN MOUNTAIN WSD
Population Served
49,400
Water Source
Purchased Surface Water
System ID
CO0130321
LAKEWOOD CITY OF
Population Served
6,000
Water Source
Purchased Surface Water
System ID
CO0130467
MEADOWBROOK WD
Population Served
3,290
Water Source
Purchased Surface Water
System ID
CO0130500
WILLOWBROOK WSD
Population Served
9,348
Water Source
Purchased Surface Water
System ID
CO0130843
HARMONY VILLAGE MHP
Population Served
1,215
Water Source
Purchased Surface Water
System ID
CO0135333
STONEYBROOK MHP
Population Served
1,073
Water Source
Purchased Surface Water
System ID
CO0162725
Frequently Asked Questions About Lakewood Water
Is Lakewood tap water safe to drink?
Lakewood, Colorado tap water receives a grade of A (90/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 2 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Lakewood's water?
Of the 69 contaminants tested in Lakewood's water supply, the most notable include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Lakewood have any water quality violations?
Yes, Lakewood has 138 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, Other, MR. 8 of these are health-based violations, which are the most serious category.
Do I need a water filter in Lakewood?
Lakewood water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 2 contaminant(s) exceed these stricter goals.
Where does Lakewood's tap water come from?
Lakewood's drinking water is sourced from groundwater and supplied by WIKIUP MHP and 18 other water system(s). The system serves approximately 246,159 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Lakewood's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Lakewood's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Lakewood's water compare to other cities in Colorado?
Lakewood's water quality score of 90/100 earns a grade of A, which is considered excellent. This places Lakewood among the better-performing water systems in Colorado. Visit our Colorado state page to see how all cities in the state compare.
What should I do if I'm concerned about Lakewood's water quality?
If you have concerns about Lakewood's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (WIKIUP MHP) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.