Water Quality in Black Hawk, CO (80452)

EPA violation data for public water systems serving ZIP code 80452.

Past Health-Based Violations

13 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 37 monitoring/reporting violations.

More violations than 91% of US ZIP codes.

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

3,135

Population

7

Water Systems

50

Violations (5yr)

13

Health-Based

Location

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Water Systems Serving This Area (7)

Black Hawk City Of

All resolved
Surface water 15,167 people served
1 violation (5yr) · All resolved
Lead tested: 2 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)

Cdot Eisenhower Johnson Tunnel

13 health-based
Surface water 50 people served
44 violations (5yr) · 13 health-based · All resolved
Lead tested: 10.8 ppb (limit: 15 ppb) Copper tested: 1480 ppb (limit: 1300 ppb)

Guanella Pass Cg

Groundwater 50 people served
0 violations

Big Spruce Cabins

Groundwater 35 people served
0 violations

Clear Creek Dude Ranch

Groundwater 30 people served
0 violations

Hidden Valley Cafe

Groundwater 25 people served
0 violations

Contaminants Found

Surface Water Treatment RuleHealth-Based
15 violations
All resolved
Public NoticeMonitoring
4 violations
All resolved
Interim Enhanced Surface Water Treatment RuleMonitoring
4 violations
All resolved
ChloriteMonitoring
1 violation
All resolved
LEAD AND COPPER RULE REVISIONSMonitoring
1 violation
All resolved
Lead and Copper RuleMonitoring

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

1 violation
All resolved
Vinyl chlorideMonitoring
1 violation
All resolved
trans-1,2-DichloroethyleneMonitoring
1 violation
All resolved
Xylenes, TotalMonitoring
1 violation
All resolved
1,1-DichloroethyleneMonitoring
1 violation
All resolved
cis-1,2-DichloroethyleneMonitoring
1 violation
All resolved
TetrachloroethyleneMonitoring
1 violation
All resolved
1,2,4-TrichlorobenzeneMonitoring
1 violation
All resolved
1,2-DichloroethaneMonitoring
1 violation
All resolved
EthylbenzeneMonitoring
1 violation
All resolved
StyreneMonitoring
1 violation
All resolved
BenzeneMonitoring
1 violation
All resolved
TolueneMonitoring
1 violation
All resolved
DICHLOROMETHANEMonitoring
1 violation
All resolved
p-DichlorobenzeneMonitoring
1 violation
All resolved
TrichloroethyleneMonitoring
1 violation
All resolved
CHLOROBENZENEMonitoring
1 violation
All resolved
1,2-DichloropropaneMonitoring
1 violation
All resolved
1,1,2-TrichloroethaneMonitoring
1 violation
All resolved
o-DichlorobenzeneMonitoring
1 violation
All resolved
Carbon tetrachlorideMonitoring
1 violation
All resolved
1,1,1-TrichloroethaneMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Approaching limit
10.8 ppb measured Action level: 15 ppb

Sampled: Jan 2025

Copper (Cu)

Exceeds limit
1480 ppb measured Action level: 1300 ppb

Sampled: Jan 2025

How Does This Compare?

Black Hawk (80452) has more violations than 91% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 50.

Fewer violations 91th 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.

Whole House Carbon Filter

A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.

Targets:Chlorine, Sediment, Taste & Odor

Look for:NSF/ANSI 42 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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