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Community Water System · PWS ME0092250

Waterboro Water District

Biddeford, Maine 04005 - drinking water served from groundwater sources to 470 people, tracked in EPA SDWIS and UCMR5.

470
People served
127
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 127 drinking-water violations at Waterboro Water District - above the Maine per-system average.

127
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
470
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Waterboro Water District

Waterboro Water District is a local-owned community water system that delivers drinking water to 470 residents in Biddeford, Maine (York County) through 188 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 127 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 124 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 20 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Maine, EPA tracks 1,864 public water systems serving 936,624 people, with 148,796 cumulative violations and 23,741 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 79.8 violations. Statewide, 14 of 41 UCMR5-tested systems have reported PFAS detections (34.1%).

Waterboro Water District's 127 violations sit above the Maine average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
470
Total Violations
127
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
188
County
York
School/Daycare
No
MCL Violations
0
Monitoring Violations
124
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 20 2014
Nitrate MR 12 2011
Nitrite MR 8 2011
DICHLOROMETHANE MR 4 1995
p-Dichlorobenzene MR 4 1995
1,1-Dichloroethylene MR 4 1995
trans-1,2-Dichloroethylene MR 4 1995
Trichloroethylene MR 4 1995
1,1,2-Trichloroethane MR 4 1995
Tetrachloroethylene MR 4 1995
Benzene MR 4 1995
Styrene MR 4 1995
o-Dichlorobenzene MR 4 1995
Carbon tetrachloride MR 4 1995
1,2-Dichloropropane MR 4 1995
Toluene MR 4 1995
CHLOROBENZENE MR 4 1995
Vinyl chloride MR 4 1995
1,1,1-Trichloroethane MR 4 1995
1,2-Dichloroethane MR 4 1995
Ethylbenzene MR 4 1995
Xylenes, Total MR 3 1995
1,2,4-Trichlorobenzene MR 3 1995
Lead and Copper Rule MR 3 2020
cis-1,2-Dichloroethylene MR 3 1995
Consumer Confidence Rule Other 3 2021

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Waterboro Water District.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID ME0092250 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Maine Drinking Water Authority

Maine's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find ME regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2021 Consumer Confidence Rule Other 3 SDWIS / ME0092250 / 7000
2020 Lead and Copper Rule MR 3 SDWIS / ME0092250 / 5000
2014 Coliform (TCR) MR 20 SDWIS / ME0092250 / 3100
2011 Nitrate MR 12 SDWIS / ME0092250 / 1040
2011 Nitrite MR 8 SDWIS / ME0092250 / 1041
1995 DICHLOROMETHANE MR 4 SDWIS / ME0092250 / 2964
1995 p-Dichlorobenzene MR 4 SDWIS / ME0092250 / 2969
1995 1,1-Dichloroethylene MR 4 SDWIS / ME0092250 / 2977
1995 trans-1,2-Dichloroethylene MR 4 SDWIS / ME0092250 / 2979
1995 Trichloroethylene MR 4 SDWIS / ME0092250 / 2984
1995 1,1,2-Trichloroethane MR 4 SDWIS / ME0092250 / 2985
1995 Tetrachloroethylene MR 4 SDWIS / ME0092250 / 2987
1995 Benzene MR 4 SDWIS / ME0092250 / 2990
1995 Styrene MR 4 SDWIS / ME0092250 / 2996
1995 o-Dichlorobenzene MR 4 SDWIS / ME0092250 / 2968

How Waterboro Water District Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Waterboro Water District Maine avg Federal benchmark
Total violations 127 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 12.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 34.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 470 502 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,864 regulated public water systems in Maine.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Waterboro Water District water safe to drink? ▼
Waterboro Water District (PWS ID: ME0092250) has 127 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 470 people using Groundwater sources.
How many people does Waterboro Water District serve? ▼
Waterboro Water District serves 470 people in Biddeford, Maine. It is a Local-owned system using Groundwater water sources with 188 service connections.
What type of violations does Waterboro Water District have? ▼
Waterboro Water District has 127 total violations: 0 health-based violations (MCL exceedances or treatment failures), 124 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Waterboro Water District water? ▼
No PFAS testing data is available for Waterboro Water District under the EPA's UCMR5 monitoring program.
What water source does Waterboro Water District use? ▼
Waterboro Water District uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.