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Community Water System · PWS ME0091410

Sanford Water District

Sanford, Maine 04073 - drinking water served from groundwater sources to 14,328 people, tracked in EPA SDWIS and UCMR5.

14,328
People served
45
EPA violations
36
Health-based
7 PFAS
UCMR5 result

The verdict

EPA records 45 drinking-water violations at Sanford Water District, 80% of them health-based - below the Maine per-system average, and UCMR5 testing detected 7 PFAS compounds.

45
Total EPA violations on record
80%
Health-based (MCL / treatment failure)
14,328
People served by this system
7
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sanford Water District

Sanford Water District is a local-owned community water system that delivers drinking water to 14,328 residents in Sanford, Maine (York County) through 5,733 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 45 total violations for this system , of which 36 (80%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 8 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 36 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 7 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 10.7 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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%).

Sanford Water District's 45 violations sit below 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.

PFAS Detected

7 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
14,328
Total Violations
45
Health-Based Violations
36
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
5,733
County
York
School/Daycare
No
MCL Violations
36
Monitoring Violations
8
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 36 2007
TTHM MR 4 2014
Total Haloacetic Acids (HAA5) MR 4 2014

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 16 of 348 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
PFOS 8/12/2024 7.10 ppt 4.00 ppt Detected
NFDHA 8/12/2024 <20.00 ppt 20.00 ppt Not Detected
HFPO-DA 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/12/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 8/12/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 8/12/2024 <2.00 ppt 2.00 ppt Not Detected
PFPeS 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFBA 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 8/12/2024 <2.00 ppt 2.00 ppt Not Detected
ADONA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/12/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 8/12/2024 9.20 ppt 3.00 ppt Detected
PFMBA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 8/12/2024 <20.00 ppt 20.00 ppt Not Detected
PFBS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/12/2024 3.90 ppt 3.00 ppt Detected
PFHpS 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 8/12/2024 3.00 ppt 3.00 ppt Detected
PFHxA 8/12/2024 6.70 ppt 3.00 ppt Detected
PFNA 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/12/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 8/12/2024 5.60 ppt 4.00 ppt Detected
PFDA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/12/2024 <3.00 ppt 3.00 ppt Not Detected

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 Sanford 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 ME0091410 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
2014 TTHM MR 4 SDWIS / ME0091410 / 2950
2014 Total Haloacetic Acids (HAA5) MR 4 SDWIS / ME0091410 / 2456
2007 Coliform (TCR) MCL 36 SDWIS / ME0091410 / 3100

How Sanford Water District Compares

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

Metric Sanford Water District Maine avg Federal benchmark
Total violations 45 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 36 12.7 Indicates a contaminant exceeded a federal MCL
PFAS detection 7 compounds 34.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 14,328 502 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 Sanford Water District water safe to drink?
Sanford Water District (PWS ID: ME0091410) has 45 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 7 PFAS compounds found. This system serves 14,328 people using Groundwater sources.
How many people does Sanford Water District serve?
Sanford Water District serves 14,328 people in Sanford, Maine. It is a Local-owned system using Groundwater water sources with 5,733 service connections.
What type of violations does Sanford Water District have?
Sanford Water District has 45 total violations: 36 health-based violations (MCL exceedances or treatment failures), 8 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sanford Water District water?
Yes. UCMR5 testing detected 7 PFAS compounds in Sanford Water District's water supply: PFOS, PFPeA, PFHpA, PFHxS, PFHxA, and others. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Sanford Water District use?
Sanford 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.