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Non-Transient Non-Community Water System · PWS MA3301019

Piconics

Tyngsborough, Massachusetts 01879 - drinking water served from groundwater sources to 40 people, tracked in EPA SDWIS and UCMR5.

40
People served
195
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 195 drinking-water violations at Piconics - above the Massachusetts per-system average.

195
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
40
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Piconics

Piconics is a private-owned non-transient non-community water system that delivers drinking water to 40 residents in Tyngsborough, Massachusetts (Middlesex County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 195 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 186 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 Lead and Copper Rule, recorded in 17 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 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, 143 of 263 UCMR5-tested systems have reported PFAS detections (54.4%).

Piconics's 195 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.

Population Served
40
Total Violations
195
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Middlesex
School/Daycare
No
MCL Violations
0
Monitoring Violations
186
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 17 2021
o-Dichlorobenzene MR 5 2009
trans-1,2-Dichloroethylene MR 5 2009
cis-1,2-Dichloroethylene MR 5 2009
Ethylbenzene MR 5 2009
Styrene MR 5 2009
Toluene MR 5 2009
DICHLOROMETHANE MR 5 2009
Xylenes, Total MR 5 2009
Benzene MR 5 2009
1,1,2-Trichloroethane MR 5 2009
1,2,4-Trichlorobenzene MR 5 2009
Carbon tetrachloride MR 5 2009
1,2-Dichloroethane MR 5 2009
1,1,1-Trichloroethane MR 5 2009
Vinyl chloride MR 5 2009
CHLOROBENZENE MR 5 2009
p-Dichlorobenzene MR 5 2009
1,2-Dichloropropane MR 5 2009
Trichloroethylene MR 5 2009
Tetrachloroethylene MR 5 2009
1,1-Dichloroethylene MR 5 2009
Atrazine MR 2 2009
Carbofuran MR 2 2009
Chlordane MR 2 2009
2,4-D MR 2 2009
Endrin MR 2 2009
ETHYLENE DIBROMIDE MR 2 2009
Pentachlorophenol MR 2 2009
Toxaphene MR 2 2009

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 Piconics.

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 MA3301019 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 Piconics 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
2021 Lead and Copper Rule MR 17 SDWIS / MA3301019 / 5000
2009 o-Dichlorobenzene MR 5 SDWIS / MA3301019 / 2968
2009 trans-1,2-Dichloroethylene MR 5 SDWIS / MA3301019 / 2979
2009 cis-1,2-Dichloroethylene MR 5 SDWIS / MA3301019 / 2380
2009 Ethylbenzene MR 5 SDWIS / MA3301019 / 2992
2009 Styrene MR 5 SDWIS / MA3301019 / 2996
2009 Toluene MR 5 SDWIS / MA3301019 / 2991
2009 DICHLOROMETHANE MR 5 SDWIS / MA3301019 / 2964
2009 Xylenes, Total MR 5 SDWIS / MA3301019 / 2955
2009 Benzene MR 5 SDWIS / MA3301019 / 2990
2009 1,1,2-Trichloroethane MR 5 SDWIS / MA3301019 / 2985
2009 1,2,4-Trichlorobenzene MR 5 SDWIS / MA3301019 / 2378
2009 Carbon tetrachloride MR 5 SDWIS / MA3301019 / 2982
2009 1,2-Dichloroethane MR 5 SDWIS / MA3301019 / 2980
2009 1,1,1-Trichloroethane MR 5 SDWIS / MA3301019 / 2981

How Piconics Compares

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

Metric Piconics Massachusetts avg Federal benchmark
Total violations 195 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 None 54.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 40 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 Piconics water safe to drink? ▼
Piconics (PWS ID: MA3301019) has 195 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 40 people using Groundwater sources.
How many people does Piconics serve? ▼
Piconics serves 40 people in Tyngsborough, Massachusetts. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Piconics have? ▼
Piconics has 195 total violations: 0 health-based violations (MCL exceedances or treatment failures), 186 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Piconics water? ▼
No PFAS testing data is available for Piconics under the EPA's UCMR5 monitoring program.
What water source does Piconics use? ▼
Piconics uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.