Water Quality in Crooked Creek, AK (99575)

EPA violation data for public water systems serving ZIP code 99575.

No Health-Based Violations

None of the 3 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are74 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 94% of US ZIP codes.

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

17

Population

3

Water Systems

74

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (3)

Crooked Creek Watering Point

All resolved
Groundwater 147 people served
74 violations (5yr) · All resolved
Lead tested: 6.5 ppb (limit: 15 ppb)

Crooked Creek Clinic Well

Groundwater 114 people served
0 violations

Grizzly Pizza

Groundwater 12 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

38 violations
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

19 violations
All resolved
Lead and Copper RuleMonitoring

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

7 violations
All resolved
NitrateMonitoring

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

2 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
2 violations
All resolved
TTHMMonitoring
2 violations
All resolved
Public NoticeMonitoring
2 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
6.5 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Crooked Creek (99575) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 74, most of which are monitoring/reporting issues.

Fewer violations 94th 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.

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