PlainWater
States → Massachusetts

Transient Non-Community Water System · PWS MA2054035

Ronnies Seafood Inc.

Charlton, Massachusetts 01507 - drinking water served from groundwater sources to 50 people, tracked in EPA SDWIS and UCMR5.

50
People served
135
EPA violations
9
Health-based
Untested
UCMR5 result

The verdict

EPA records 135 drinking-water violations at Ronnies Seafood Inc., 7% of them health-based - above the Massachusetts per-system average.

135
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
50
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ronnies Seafood Inc.

Ronnies Seafood Inc. is a private-owned transient non-community water system that delivers drinking water to 50 residents in Charlton, Massachusetts (Worcester County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 135 total violations for this system , of which 9 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 111 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 33 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%).

Ronnies Seafood Inc.'s 135 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
50
Total Violations
135
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Worcester
School/Daycare
No
MCL Violations
8
Monitoring Violations
111
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 33 2015
Nitrate MR 15 2018
Coliform (TCR) MCL 8 2010
Nitrite MR 6 2018
E. COLI MR 3 2018
1,2,4-Trichlorobenzene MR 2 2017
Xylenes, Total MR 2 2017
Vinyl chloride MR 2 2017
1,1-Dichloroethylene MR 2 2017
1,1,1-Trichloroethane MR 2 2017
Carbon tetrachloride MR 2 2017
Trichloroethylene MR 2 2017
1,1,2-Trichloroethane MR 2 2017
CHLOROBENZENE MR 2 2017
Benzene MR 2 2017
Toluene MR 2 2017
Styrene MR 2 2017
1,2-Dichloroethane MR 2 2017
o-Dichlorobenzene MR 2 2017
trans-1,2-Dichloroethylene MR 2 2017
cis-1,2-Dichloroethylene MR 2 2017
1,2-Dichloropropane MR 2 2017
Ethylbenzene MR 2 2017
Tetrachloroethylene MR 2 2017
DICHLOROMETHANE MR 2 2017
Revised Total Coliform Rule RPT 2 2018
p-Dichlorobenzene MR 2 2017
Arsenic MR 1 2000
Cadmium MR 1 2000
CYANIDE MR 1 2000

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 Ronnies Seafood Inc..

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 MA2054035 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 Ronnies Seafood Inc. 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
2018 Nitrate MR 15 SDWIS / MA2054035 / 1040
2018 Nitrite MR 6 SDWIS / MA2054035 / 1041
2018 E. COLI MR 3 SDWIS / MA2054035 / 3014
2018 Revised Total Coliform Rule RPT 2 SDWIS / MA2054035 / 8000
2018 Revised Total Coliform Rule TT 1 SDWIS / MA2054035 / 8000
2018 Public Notice Other 1 SDWIS / MA2054035 / 7500
2017 1,2,4-Trichlorobenzene MR 2 SDWIS / MA2054035 / 2378
2017 Xylenes, Total MR 2 SDWIS / MA2054035 / 2955
2017 Vinyl chloride MR 2 SDWIS / MA2054035 / 2976
2017 1,1-Dichloroethylene MR 2 SDWIS / MA2054035 / 2977
2017 1,1,1-Trichloroethane MR 2 SDWIS / MA2054035 / 2981
2017 Carbon tetrachloride MR 2 SDWIS / MA2054035 / 2982
2017 Trichloroethylene MR 2 SDWIS / MA2054035 / 2984
2017 1,1,2-Trichloroethane MR 2 SDWIS / MA2054035 / 2985
2017 CHLOROBENZENE MR 2 SDWIS / MA2054035 / 2989

How Ronnies Seafood Inc. Compares

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

Metric Ronnies Seafood Inc. Massachusetts avg Federal benchmark
Total violations 135 46.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 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 50 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 Ronnies Seafood Inc. water safe to drink? ▼
Ronnies Seafood Inc. (PWS ID: MA2054035) has 135 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 50 people using Groundwater sources.
How many people does Ronnies Seafood Inc. serve? ▼
Ronnies Seafood Inc. serves 50 people in Charlton, Massachusetts. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Ronnies Seafood Inc. have? ▼
Ronnies Seafood Inc. has 135 total violations: 9 health-based violations (MCL exceedances or treatment failures), 111 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ronnies Seafood Inc. water? ▼
No PFAS testing data is available for Ronnies Seafood Inc. under the EPA's UCMR5 monitoring program.
What water source does Ronnies Seafood Inc. use? ▼
Ronnies Seafood Inc. uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.