Water Quality in Lakewood, CO (80401)
EPA violation data for public water systems serving ZIP code 80401.
No Health-Based Violations
None of the 66 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are25 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 82% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
43,811
Population
66
Water Systems
25
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (66)
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) ✓
North Table Mtn W&S Dist
Surface water 7,500 people served
0 violations
Genesee Wsd
Surface water 3,920 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Pleasant View Wtr & San Dist
Purchased surface water 3,500 people served
0 violations
Molson Coors Beverage Company
All resolved Surface water 2,725 people served
3 violations (5yr)
· All resolved
Lead tested: 2.3 ppb (limit: 15 ppb) ✓
Blue Mtn Wtr Dist
Groundwater 636 people served
0 violations
Ramble Cg
All resolved Groundwater 601 people served
2 violations (5yr)
· All resolved
Forest Hills Md Riva Chase
All resolved Groundwater 400 people served
2 violations (5yr)
· All resolved
Lead tested: 3.5 ppb (limit: 15 ppb) ✓
Mother Cabrini Shrine
Groundwater 389 people served
2 violations (5yr)
Pioneer Lookout Water Dist
Groundwater 250 people served
0 violations
Camp Wind River (?)
Groundwater 225 people served
0 violations
Granby Jones Mhp
All resolved Groundwater 201 people served
2 violations (5yr)
· All resolved
Lead tested: 4 ppb (limit: 15 ppb) ✓
Paradise Hills Estates Assoc
Surface water 200 people served
0 violations
Us Doe Nrel Flatirons Campus
Purchased surface water 168 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Pink Ditty
Groundwater 150 people served
0 violations
Heidelberg Inn Restaurant
Groundwater 125 people served
0 violations
Boston Market
All resolved Groundwater 115 people served
8 violations (5yr)
· All resolved
Copperdale Inn
Groundwater 100 people served
0 violations
Sam Pryor Shawangunks Gateway Campground
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
Table Mtn Mbl Hm Pk
Groundwater 100 people served
0 violations
Childrens World Learning Ctr
Groundwater 100 people served
0 violations
Beaver Inn
Groundwater 100 people served
0 violations
Jeffco Pine Valley Clivus Bsmt
Groundwater under influence of surface water 100 people served
0 violations
Lookout Mtn Shopette
Surface water 75 people served
0 violations
Jeffco White Ranch Sourdough
Groundwater 75 people served
0 violations
Rockland Mutual Wtr Co
Purchased surface water 75 people served
0 violations
Wondervu Cafe
Groundwater 50 people served
0 violations
Colorado Interstate Gas Watkins
Groundwater 45 people served
0 violations
Mann Warehouse-Storage Bldg
Groundwater 30 people served
0 violations
Arapahoe East
Groundwater 30 people served
0 violations
Chipmunk Paradise Trlr Pk
Groundwater 25 people served
0 violations
Jeffco-Mount Falcon Park
Groundwater 25 people served
0 violations
Jeffco-Reynolds Park Cg
Groundwater 25 people served
0 violations
Jeffco-Pine Valley-West End
Groundwater 25 people served
0 violations
Genesse Girl Scout Camp
Groundwater 25 people served
0 violations
Serenity Salon
Groundwater 11 people served
0 violations
Adolph Coors
Surface water 11 people served
0 violations
Broomfield Vfw 9565
Groundwater 9 people served
0 violations
Republic Paperboard
Groundwater 2 people served
0 violations
Jeffco White Ranch Sawmill Cg
Groundwater 0
0 violations
Jeffco Conf And Nature Center
Groundwater 0
0 violations
Jeffco Matthews Winters Park
Groundwater 0
0 violations
Pine Lane Center Mini Stop
Groundwater 0
0 violations
Jeffco Reynolds Park Pa
Groundwater 0
0 violations
Jeffco Meyer Ranch Park Pa
Groundwater 0
0 violations
Rockland Mutual
Groundwater 0
0 violations
Jeffco Elk Meadow Stagecoach
Groundwater 0
0 violations
Jeffco White Ranch West Pa
Groundwater 0
0 violations
Ralston Elementary School
Surface water 0
0 violations
Cody Inn
Surface water 0
0 violations
Evergreen Academy
Groundwater 0
0 violations
Sams Cowhide Corner
Surface water 0
0 violations
Robins Nest Restaurant
Surface water 0
0 violations
Jeffco White Ranch Pa
Groundwater 0
0 violations
Lookout Mountain Shoppette
Surface water 0
0 violations
Chuckwagon Restaurant
Groundwater 0
0 violations
Crystal Rose The
Surface water 0
0 violations
Mac Nation Cafe
Groundwater 0
0 violations
Heritage Square Michael Diener
Groundwater 0
0 violations
Chief Hosa Campground
Surface water 0
0 violations
Jeffco Lair O The Bear Park Pa
Groundwater 0
0 violations
Contaminants Found
Revised Total Coliform RuleMonitoring
Missed testing deadlines — not a detection of bacteria.
10 violations
All resolved
Interim Enhanced Surface Water Treatment RuleMonitoring
4 violations
All resolved
Surface Water Treatment RuleMonitoring
3 violations
All resolved
Public NoticeMonitoring
2 violations
Has active
NitrateMonitoring
At high levels, nitrate can cause blue baby syndrome in infants.
2 violations
All resolved
TTHMMonitoring
1 violation
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved
E. COLIMonitoring
1 violation
All resolved
ChlorineMonitoring
Used to disinfect water — generally safe at regulated levels.
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit5 ppb measured
Action level: 15 ppb
Sampled: Jan 2025
How Does This Compare?
Lakewood (80401) has more violations than 82% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 25, most of which are monitoring/reporting issues.
Fewer violations 82th percentile More violations
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.