Water Quality in WISCASSET, ME (04578)

EPA violation data for public water systems serving ZIP code 04578.

228

Total Violations

33

Health-Based

195

Monitoring / Reporting

221

Resolved

What does this mean?

221 of 228 violations have been resolved. 33 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 195 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 50 Population served: 7,133

Violations Detail (228 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AJul 27, 2025ActiveN/A
TTHMHealth-BasedN/A0.085Jun 30, 2025ResolvedN/A
TTHMHealth-BasedN/A0.085Jun 30, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJun 30, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJun 30, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJun 30, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJun 30, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(17)

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Public Notice

75

Jul 27Active

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

Revised Total Coliform Rule

1A

Jun 30Resolved

Revised Total Coliform Rule

1A

Jun 30Resolved

Revised Total Coliform Rule

1A

Jun 30Resolved

Revised Total Coliform Rule

1A

Jun 30Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Public Notice

75

Apr 3Resolved

Public Notice

75

Apr 3Resolved

2024(18)

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Public Notice

75

Nov 3Resolved

Public Notice

75

Nov 3Resolved

Interim Enhanced Surface Water Treatment Rule

43

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

43

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

43

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

43

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Sep 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Public Notice

75

Mar 27Active

Public Notice

75

Mar 27Active

Public Notice

75

Feb 29Active

How Does This Compare?

WISCASSET (04578) has 228 recorded violations, including 33 health-based. 7 remain unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

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.

Nearby ZIP Codes

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