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Non-Transient Non-Community Water System · PWS MA1268003

Clarks Corvair Parts

Shelburne, Massachusetts 01370 - drinking water served from groundwater sources to 27 people, tracked in EPA SDWIS and UCMR5.

27
People served
88
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 88 drinking-water violations at Clarks Corvair Parts - above the Massachusetts per-system average.

88
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
27
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Clarks Corvair Parts

Clarks Corvair Parts is a private-owned non-transient non-community water system that delivers drinking water to 27 residents in Shelburne, Massachusetts (Franklin County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 88 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 86 monitoring and reporting violations are on file. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is Endrin, recorded in 2 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%).

Clarks Corvair Parts's 88 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
27
Total Violations
88
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Franklin
School/Daycare
No
MCL Violations
0
Monitoring Violations
86
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Endrin MR 2 2003
Methoxychlor MR 2 2003
Toxaphene MR 2 2003
Diquat MR 2 2003
Endothall MR 2 2003
Di(2-ethylhexyl) adipate MR 2 2003
OXAMYL MR 2 2003
Di(2-ethylhexyl) phthalate MR 2 2003
Picloram MR 2 2003
Dinoseb MR 2 2003
Carbofuran MR 2 2003
Atrazine MR 2 2003
LASSO MR 2 2003
2,4-D MR 2 2003
2,4,5-TP MR 2 2003
HEXACHLOROBENZENE MR 2 2003
Benzo(a)pyrene MR 2 2003
Pentachlorophenol MR 2 2003
Total Polychlorinated Biphenyls (PCB) MR 2 2003
Chlordane MR 2 2003
Glyphosate MR 2 2003
Hexachlorocyclopentadiene MR 2 2003
2,3,7,8-TCDD MR 2 2003
Dalapon MR 2 2003
Heptachlor epoxide MR 2 2003
ETHYLENE DIBROMIDE MR 2 2003
BHC-GAMMA MR 2 2003
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2003
Heptachlor MR 2 2003
Simazine MR 2 2003

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 Clarks Corvair Parts.

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 MA1268003 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 Clarks Corvair Parts 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
2013 Coliform (TCR) MR 1 SDWIS / MA1268003 / 3100
2003 Endrin MR 2 SDWIS / MA1268003 / 2005
2003 Methoxychlor MR 2 SDWIS / MA1268003 / 2015
2003 Toxaphene MR 2 SDWIS / MA1268003 / 2020
2003 Diquat MR 2 SDWIS / MA1268003 / 2032
2003 Endothall MR 2 SDWIS / MA1268003 / 2033
2003 Di(2-ethylhexyl) adipate MR 2 SDWIS / MA1268003 / 2035
2003 OXAMYL MR 2 SDWIS / MA1268003 / 2036
2003 Di(2-ethylhexyl) phthalate MR 2 SDWIS / MA1268003 / 2039
2003 Picloram MR 2 SDWIS / MA1268003 / 2040
2003 Dinoseb MR 2 SDWIS / MA1268003 / 2041
2003 Carbofuran MR 2 SDWIS / MA1268003 / 2046
2003 Atrazine MR 2 SDWIS / MA1268003 / 2050
2003 LASSO MR 2 SDWIS / MA1268003 / 2051
2003 2,4-D MR 2 SDWIS / MA1268003 / 2105

How Clarks Corvair Parts Compares

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

Metric Clarks Corvair Parts Massachusetts avg Federal benchmark
Total violations 88 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 27 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 Clarks Corvair Parts water safe to drink? ▼
Clarks Corvair Parts (PWS ID: MA1268003) has 88 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 27 people using Groundwater sources.
How many people does Clarks Corvair Parts serve? ▼
Clarks Corvair Parts serves 27 people in Shelburne, Massachusetts. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Clarks Corvair Parts have? ▼
Clarks Corvair Parts has 88 total violations: 0 health-based violations (MCL exceedances or treatment failures), 86 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Clarks Corvair Parts water? ▼
No PFAS testing data is available for Clarks Corvair Parts under the EPA's UCMR5 monitoring program.
What water source does Clarks Corvair Parts use? ▼
Clarks Corvair Parts 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.