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Non-Transient Non-Community Water System · PWS MA2222001

Oakham Elementary School

Oakham, Massachusetts 01068 - drinking water served from groundwater sources to 149 people, tracked in EPA SDWIS and UCMR5.

149
People served
89
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 89 drinking-water violations at Oakham Elementary School - above the Massachusetts per-system average.

89
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
149
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Oakham Elementary School

Oakham Elementary School is a private-owned non-transient non-community water system that delivers drinking water to 149 residents in Oakham, Massachusetts (Worcester County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 89 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 88 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is cis-1,2-Dichloroethylene, recorded in 4 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, 148 of 263 UCMR5-tested systems have reported PFAS detections (56.3%).

Oakham Elementary School's 89 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
149
Total Violations
89
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Worcester
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
88
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
cis-1,2-Dichloroethylene MR 4 2004
Xylenes, Total MR 4 2004
DICHLOROMETHANE MR 4 2004
o-Dichlorobenzene MR 4 2004
p-Dichlorobenzene MR 4 2004
1,1-Dichloroethylene MR 4 2004
trans-1,2-Dichloroethylene MR 4 2004
1,1,1-Trichloroethane MR 4 2004
Carbon tetrachloride MR 4 2004
1,2-Dichloropropane MR 4 2004
Trichloroethylene MR 4 2004
Tetrachloroethylene MR 4 2004
CHLOROBENZENE MR 4 2004
Benzene MR 4 2004
Toluene MR 4 2004
Ethylbenzene MR 4 2004
Styrene MR 4 2004
1,2-Dichloroethane MR 4 2004
Vinyl chloride MR 4 2004
1,1,2-Trichloroethane MR 4 2004
1,2,4-Trichlorobenzene MR 4 2004
Lead and Copper Rule MR 2 2024
Nitrate MR 2 1993

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 Oakham Elementary School.

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 MA2222001 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 Oakham Elementary School 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
2024 Lead and Copper Rule MR 2 SDWIS / MA2222001 / 5000
2004 cis-1,2-Dichloroethylene MR 4 SDWIS / MA2222001 / 2380
2004 Xylenes, Total MR 4 SDWIS / MA2222001 / 2955
2004 DICHLOROMETHANE MR 4 SDWIS / MA2222001 / 2964
2004 o-Dichlorobenzene MR 4 SDWIS / MA2222001 / 2968
2004 p-Dichlorobenzene MR 4 SDWIS / MA2222001 / 2969
2004 1,1-Dichloroethylene MR 4 SDWIS / MA2222001 / 2977
2004 trans-1,2-Dichloroethylene MR 4 SDWIS / MA2222001 / 2979
2004 1,1,1-Trichloroethane MR 4 SDWIS / MA2222001 / 2981
2004 Carbon tetrachloride MR 4 SDWIS / MA2222001 / 2982
2004 1,2-Dichloropropane MR 4 SDWIS / MA2222001 / 2983
2004 Trichloroethylene MR 4 SDWIS / MA2222001 / 2984
2004 Tetrachloroethylene MR 4 SDWIS / MA2222001 / 2987
2004 CHLOROBENZENE MR 4 SDWIS / MA2222001 / 2989
2004 Benzene MR 4 SDWIS / MA2222001 / 2990

How Oakham Elementary School Compares

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

Metric Oakham Elementary School Massachusetts avg Federal benchmark
Total violations 89 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 56.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 149 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 Oakham Elementary School water safe to drink? ▼
Oakham Elementary School (PWS ID: MA2222001) has 89 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 149 people using Groundwater sources.
How many people does Oakham Elementary School serve? ▼
Oakham Elementary School serves 149 people in Oakham, Massachusetts. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does Oakham Elementary School have? ▼
Oakham Elementary School has 89 total violations: 0 health-based violations (MCL exceedances or treatment failures), 88 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Oakham Elementary School water? ▼
No PFAS testing data is available for Oakham Elementary School under the EPA's UCMR5 monitoring program.
What water source does Oakham Elementary School use? ▼
Oakham Elementary School 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.