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States → New Hampshire

Non-Transient Non-Community Water System · PWS NH1996010

Cheshire Market Place

Tewksbury, New Hampshire 01876 - drinking water served from groundwater sources to 200 people, tracked in EPA SDWIS and UCMR5.

200
People served
154
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 154 drinking-water violations at Cheshire Market Place - above the New Hampshire per-system average.

154
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
200
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cheshire Market Place

Cheshire Market Place is a private-owned non-transient non-community water system that delivers drinking water to 200 residents in Tewksbury, New Hampshire (Cheshire County) through 7 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 140 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 Revised Total Coliform Rule, recorded in 8 violations (MON). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across New Hampshire, EPA tracks 2,453 public water systems serving 1,242,123 people, with 155,970 cumulative violations and 29,649 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 63.6 violations. Statewide, 23 of 51 UCMR5-tested systems have reported PFAS detections (45.1%).

Cheshire Market Place's 154 violations sit above the New Hampshire 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
200
Total Violations
154
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
7
County
Cheshire
School/Daycare
No
MCL Violations
0
Monitoring Violations
140
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 8 2024
Revised Total Coliform Rule RPT 8 2024
cis-1,2-Dichloroethylene MR 6 2007
1,1-Dichloroethylene MR 6 2007
trans-1,2-Dichloroethylene MR 6 2007
1,1,1-Trichloroethane MR 6 2007
Carbon tetrachloride MR 6 2007
1,2-Dichloropropane MR 6 2007
Trichloroethylene MR 6 2007
Benzene MR 6 2007
Toluene MR 6 2007
Styrene MR 6 2007
Public Notice Other 6 2023
Xylenes, Total MR 6 2007
o-Dichlorobenzene MR 6 2007
Vinyl chloride MR 6 2007
1,2-Dichloroethane MR 6 2007
CHLOROBENZENE MR 6 2007
1,1,2-Trichloroethane MR 6 2007
1,2,4-Trichlorobenzene MR 6 2007
Ethylbenzene MR 6 2007
Tetrachloroethylene MR 6 2007
p-Dichlorobenzene MR 6 2007
DICHLOROMETHANE MR 6 2007
Nitrate MR 4 1994
Lead and Copper Rule MR 2 2021

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 Cheshire Market Place.

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 NH1996010 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New Hampshire Drinking Water Authority

New Hampshire's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find NH regulator via EPA SDWIS

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 Revised Total Coliform Rule MON 8 SDWIS / NH1996010 / 8000
2024 Revised Total Coliform Rule RPT 8 SDWIS / NH1996010 / 8000
2023 Public Notice Other 6 SDWIS / NH1996010 / 7500
2021 Lead and Copper Rule MR 2 SDWIS / NH1996010 / 5000
2007 cis-1,2-Dichloroethylene MR 6 SDWIS / NH1996010 / 2380
2007 1,1-Dichloroethylene MR 6 SDWIS / NH1996010 / 2977
2007 trans-1,2-Dichloroethylene MR 6 SDWIS / NH1996010 / 2979
2007 1,1,1-Trichloroethane MR 6 SDWIS / NH1996010 / 2981
2007 Carbon tetrachloride MR 6 SDWIS / NH1996010 / 2982
2007 1,2-Dichloropropane MR 6 SDWIS / NH1996010 / 2983
2007 Trichloroethylene MR 6 SDWIS / NH1996010 / 2984
2007 Benzene MR 6 SDWIS / NH1996010 / 2990
2007 Toluene MR 6 SDWIS / NH1996010 / 2991
2007 Styrene MR 6 SDWIS / NH1996010 / 2996
2007 Xylenes, Total MR 6 SDWIS / NH1996010 / 2955

How Cheshire Market Place Compares

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

Metric Cheshire Market Place New Hampshire avg Federal benchmark
Total violations 154 63.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 12.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 45.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 200 506 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,453 regulated public water systems in New Hampshire.

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 Cheshire Market Place water safe to drink? ▼
Cheshire Market Place (PWS ID: NH1996010) has 154 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 200 people using Groundwater sources.
How many people does Cheshire Market Place serve? ▼
Cheshire Market Place serves 200 people in Tewksbury, New Hampshire. It is a Private-owned system using Groundwater water sources with 7 service connections.
What type of violations does Cheshire Market Place have? ▼
Cheshire Market Place has 154 total violations: 0 health-based violations (MCL exceedances or treatment failures), 140 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cheshire Market Place water? ▼
No PFAS testing data is available for Cheshire Market Place under the EPA's UCMR5 monitoring program.
What water source does Cheshire Market Place use? ▼
Cheshire Market Place 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.