Water Quality in Castine, ME (04421)

EPA violation data for public water systems serving ZIP code 04421.

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

1,362

Population

3

Water Systems

11

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (3)

Castine Water Department

Groundwater under influence of surface water 983 people served
0 violations

Hancock Village Mhp

1 health-based
Groundwater 73 people served
11 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Castine Cottages

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved
Lead and Copper RuleMonitoring

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

3 violations
Has active
Combined Radium (-226 and -228)Monitoring
3 violations
All resolved
TTHMMonitoring
2 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
2 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2022

How Does This Compare?

Castine (04421) has more violations than 68% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 11.

Fewer violations 68th 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.

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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