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Community Water System · PWS MA3164000

Lynnfield Center Water District

Lynnfield, Massachusetts 01940 - drinking water served from groundwater sources to 8,569 people, tracked in EPA SDWIS and UCMR5.

8,569
People served
154
EPA violations
0
Health-based
4 PFAS
UCMR5 result

The verdict

EPA records 154 drinking-water violations at Lynnfield Center Water District - above the Massachusetts per-system average, and UCMR5 testing detected 4 PFAS compounds.

154
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
8,569
People served by this system
4
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lynnfield Center Water District

Lynnfield Center Water District is a local-owned community water system that delivers drinking water to 8,569 residents in Lynnfield, Massachusetts (Essex County) through 2,742 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 154 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 142 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 7 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 4 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 6.1 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Massachusetts, EPA tracks 1,599 public water systems serving 10,332,845 people, with 73,886 cumulative violations and 7,389 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 46.2 violations. Statewide, 148 of 263 UCMR5-tested systems have reported PFAS detections (56.3%).

Lynnfield Center Water District's 154 violations sit above the Massachusetts 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

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

Population Served
8,569
Total Violations
154
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,742
County
Essex
School/Daycare
No
MCL Violations
0
Monitoring Violations
142
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 7 2023
Endrin MR 3 2001
BHC-GAMMA MR 3 2001
Methoxychlor MR 3 2001
Glyphosate MR 3 2001
Di(2-ethylhexyl) adipate MR 3 2001
Simazine MR 3 2001
Hexachlorocyclopentadiene MR 3 2001
Aldicarb sulfoxide MR 3 2001
Aldicarb sulfone MR 3 2001
Aldicarb MR 3 2001
Atrazine MR 3 2001
LASSO MR 3 2001
2,3,7,8-TCDD MR 3 2001
Heptachlor MR 3 2001
2,4-D MR 3 2001
HEXACHLOROBENZENE MR 3 2001
Total Polychlorinated Biphenyls (PCB) MR 3 2001
ETHYLENE DIBROMIDE MR 3 2001
Chlordane MR 3 2001
Toxaphene MR 3 2001
Dalapon MR 3 2001
Diquat MR 3 2001
Di(2-ethylhexyl) phthalate MR 3 2001
Picloram MR 3 2001
Dinoseb MR 3 2001
Carbofuran MR 3 2001
Heptachlor epoxide MR 3 2001
Benzo(a)pyrene MR 3 2001
Pentachlorophenol MR 3 2001

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 7 of 174 samples detected PFAS.

Contaminant Date Result MRL Status
PFTrDA 5/2/2023 <7.00 ppt 7.00 ppt Not Detected
HFPO-DA 5/2/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 5/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 5/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 5/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 5/2/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 5/2/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 5/2/2023 <6.00 ppt 6.00 ppt Not Detected
ADONA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 5/2/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 5/2/2023 <8.00 ppt 8.00 ppt Not Detected
PFHpS 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 5/2/2023 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 5/2/2023 <2.00 ppt 2.00 ppt Not Detected
PFEESA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 5/2/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 5/2/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 5/2/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 5/2/2023 <5.00 ppt 5.00 ppt Not Detected
NFDHA 5/2/2023 <20.00 ppt 20.00 ppt Not Detected
PFDA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 5/2/2023 5.10 ppt 4.00 ppt Detected
PFOS 5/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 5/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 5/2/2023 <6.00 ppt 6.00 ppt Not Detected
PFBS 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 5/2/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 5/2/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 5/2/2023 <8.00 ppt 8.00 ppt Not Detected
PFDoA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 5/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxA 5/2/2023 3.20 ppt 3.00 ppt Detected
PFHpS 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 5/2/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 5/2/2023 3.00 ppt 3.00 ppt Detected
PFMPA 5/2/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 5/2/2023 <5.00 ppt 5.00 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 Lynnfield Center 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 MA3164000 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Massachusetts Drinking Water Authority

MassDEP, Drinking Water Program is the primacy agency that licenses and inspects Lynnfield Center Water District under EPA-delegated authority.

Open MA regulator portal

Source: MassDEP, Drinking Water Program

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
2023 Lead and Copper Rule MR 7 SDWIS / MA3164000 / 5000
2022 Public Notice Other 2 SDWIS / MA3164000 / 7500
2013 Consumer Confidence Rule Other 1 SDWIS / MA3164000 / 7000
2008 Coliform (TCR) MR 1 SDWIS / MA3164000 / 3100
2001 Endrin MR 3 SDWIS / MA3164000 / 2005
2001 BHC-GAMMA MR 3 SDWIS / MA3164000 / 2010
2001 Methoxychlor MR 3 SDWIS / MA3164000 / 2015
2001 Glyphosate MR 3 SDWIS / MA3164000 / 2034
2001 Di(2-ethylhexyl) adipate MR 3 SDWIS / MA3164000 / 2035
2001 Simazine MR 3 SDWIS / MA3164000 / 2037
2001 Hexachlorocyclopentadiene MR 3 SDWIS / MA3164000 / 2042
2001 Aldicarb sulfoxide MR 3 SDWIS / MA3164000 / 2043
2001 Aldicarb sulfone MR 3 SDWIS / MA3164000 / 2044
2001 Aldicarb MR 3 SDWIS / MA3164000 / 2047
2001 Atrazine MR 3 SDWIS / MA3164000 / 2050

How Lynnfield Center Water District Compares

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

Metric Lynnfield Center Water District Massachusetts avg Federal benchmark
Total violations 154 46.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 4.6 Indicates a contaminant exceeded a federal MCL
PFAS detection 4 compounds 56.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 8,569 6,462 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,599 regulated public water systems in Massachusetts.

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 Lynnfield Center Water District water safe to drink? ▼
Lynnfield Center Water District (PWS ID: MA3164000) has 154 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 4 PFAS compounds found. This system serves 8,569 people using Groundwater sources.
How many people does Lynnfield Center Water District serve? ▼
Lynnfield Center Water District serves 8,569 people in Lynnfield, Massachusetts. It is a Local-owned system using Groundwater water sources with 2,742 service connections.
What type of violations does Lynnfield Center Water District have? ▼
Lynnfield Center Water District has 154 total violations: 0 health-based violations (MCL exceedances or treatment failures), 142 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lynnfield Center Water District water? ▼
Yes. UCMR5 testing detected 4 PFAS compounds in Lynnfield Center Water District's water supply: PFOA, PFHxA, PFPeA, PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Lynnfield Center Water District use? ▼
Lynnfield Center 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.

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.