Water Quality in Denver, CO (80237)

EPA violation data for public water systems serving ZIP code 80237.

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

23,384

Population

38

Water Systems

179

Violations (5yr)

48

Health-Based

Location

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Water Systems Serving This Area (38)

Denver Water Board

All resolved
Surface water 1,287,000 people served
3 violations (5yr) · All resolved
Lead tested: 3.9 ppb (limit: 15 ppb)

Aurora City Of

Surface water 533,407 people served
0 violations
Lead tested: 2.5 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

West Olive Estates

1 health-based
Groundwater 1,850 people served
2 violations (5yr) · 1 health-based · All resolved

Northwest Pines Mobile Home Community

Groundwater 990 people served
2 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Fsi Green Park South Property Llc

Purchased groundwater 966 people served
0 violations

Pinewood On The Lake Mhp

Groundwater 950 people served
0 violations

Cranberry Lake Mhc

Groundwater 820 people served
7 violations (5yr)

Burntwood Court

Purchased surface water 804 people served
0 violations

Spring Hill Mhp

1 health-based
Groundwater 764 people served
11 violations (5yr) · 1 health-based
Lead tested: 1 ppb (limit: 15 ppb)

Yankee Springs Meadows

15 health-based
Groundwater 710 people served
16 violations (5yr) · 15 health-based · All resolved

Mason Manor

4 health-based
Groundwater 630 people served
5 violations (5yr) · 4 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Beach Mhp

All resolved
Purchased surface water 624 people served
4 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Dutch Hills

All resolved
Groundwater 620 people served
1 violation (5yr) · All resolved

Four Seasons Mobile Home Park

Groundwater 600 people served
5 violations (5yr)
Lead tested: 1.8 ppb (limit: 15 ppb)

Terrace Heights

All resolved
Purchased groundwater 548 people served
6 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Burt Estates Mhc

Purchased groundwater 543 people served
1 violation (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Golden Rule Mhp

Purchased surface water 540 people served
0 violations

Raintree Estates

All resolved
Groundwater 489 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Holly Hills Mhc

Groundwater 435 people served
0 violations

Groveland Manor

1 health-based
Groundwater 435 people served
3 violations (5yr) · 1 health-based · All resolved

Aledo Mobile Home Park

1 health-based
Groundwater 423 people served
58 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Oak Lane Mhc

Purchased surface water 388 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Canterbury Estates Mhp

Groundwater 350 people served
2 violations (5yr)

Capital Crossings

Groundwater 345 people served
0 violations
Lead tested: 12 ppb (limit: 15 ppb)

Yes Southgate, Llc

Purchased groundwater 330 people served
0 violations

Imperial Mhc

Purchased groundwater 328 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Old Orchard Estates

4 health-based
Groundwater 296 people served
4 violations (5yr) · 4 health-based · All resolved

Meadow Streams Estates

5 health-based
Groundwater 293 people served
6 violations (5yr) · 5 health-based · All resolved
Lead tested: 0.62 ppb (limit: 15 ppb)

The Meadows

Purchased groundwater 238 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Country Acres Mhp (La Salle County)

14 health-based
Groundwater 222 people served
19 violations (5yr) · 14 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) Copper tested: 11062 ppb (limit: 1300 ppb)

Timberland Mhc

1 health-based
Groundwater 200 people served
13 violations (5yr) · 1 health-based
Lead tested: 6.9 ppb (limit: 15 ppb)

Misty Hollow Mobile Home Park

Purchased surface water 155 people served
0 violations

Cherry Hills Farms Md

Purchased surface water 0
0 violations

Hidden Lake

Purchased surface water 0
0 violations

Contaminants Found

Combined Radium (-226 and -228)Health-Based
23 violations
All resolved
ArsenicHealth-Based

A naturally occurring element that can cause cancer and other health effects at high levels.

23 violations
All resolved
Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

12 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
11 violations
Has active
Groundwater RuleHealth-Based
1 violation
All resolved
Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-Based
1 violation
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

10 violations
Has active
Public NoticeMonitoring
7 violations
Has active
Lead and Copper RuleMonitoring

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

6 violations
Has active
TTHMMonitoring
6 violations
Has active
Total Haloacetic Acids (HAA5)Monitoring
6 violations
Has active
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

6 violations
All resolved
E. COLIMonitoring
6 violations
Has active
Combined UraniumMonitoring
4 violations
All resolved
Interim Enhanced Surface Water Treatment RuleMonitoring
2 violations
All resolved
1,2-DichloropropaneMonitoring
2 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
2 violations
All resolved
Vinyl chlorideMonitoring
2 violations
All resolved
Xylenes, TotalMonitoring
2 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
2 violations
All resolved
p-DichlorobenzeneMonitoring
2 violations
All resolved
TrichloroethyleneMonitoring
2 violations
All resolved
Carbon tetrachlorideMonitoring
2 violations
All resolved
1,1,2-TrichloroethaneMonitoring
2 violations
All resolved
NitrateMonitoring

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

2 violations
All resolved
TetrachloroethyleneMonitoring
2 violations
All resolved
1,1-DichloroethyleneMonitoring
2 violations
All resolved
EthylbenzeneMonitoring
2 violations
All resolved
1,1,1-TrichloroethaneMonitoring
2 violations
All resolved
CHLOROBENZENEMonitoring
2 violations
All resolved
BenzeneMonitoring
2 violations
All resolved
1,2-DichloroethaneMonitoring
2 violations
All resolved
o-DichlorobenzeneMonitoring
2 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
2 violations
All resolved
TolueneMonitoring
2 violations
All resolved
StyreneMonitoring
2 violations
All resolved
DICHLOROMETHANEMonitoring
2 violations
All resolved
Gross Alpha, Excl. Radon and UMonitoring
1 violation
All resolved
BromateMonitoring
1 violation
All resolved
Surface Water Treatment RuleMonitoring
1 violation
All resolved
ChloramineMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jul 2025

Copper (Cu)

Exceeds limit
11062 ppb measured Action level: 1300 ppb

Sampled: Jan 2022

How Does This Compare?

Denver (80237) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 179.

Fewer violations 98th 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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