PlainWater
States → New Hampshire

Community Water System · PWS NH0882060

Winnstock Condos

N Quincy, New Hampshire 02171 - drinking water served from groundwater sources to 125 people, tracked in EPA SDWIS and UCMR5.

125
People served
448
EPA violations
48
Health-based
Untested
UCMR5 result

The verdict

EPA records 448 drinking-water violations at Winnstock Condos, 11% of them health-based - above the New Hampshire per-system average.

448
Total EPA violations on record
11%
Health-based (MCL / treatment failure)
125
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Winnstock Condos

Winnstock Condos is a private-owned community water system that delivers drinking water to 125 residents in N Quincy, New Hampshire (Belknap County) through 49 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 448 total violations for this system , of which 48 (11%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 384 monitoring and reporting violations are on file. The most recent violation on record dates to 2008.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 30 violations (MCL, health-based). 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, 18 of 51 UCMR5-tested systems have reported PFAS detections (35.3%).

Winnstock Condos's 448 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
125
Total Violations
448
Health-Based Violations
48
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
49
County
Belknap
School/Daycare
No
MCL Violations
46
Monitoring Violations
384
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 30 2004
Nitrate MR 20 2007
Arsenic MCL 16 2008
Coliform (TCR) MR 15 2007
Nitrite MR 8 2003
Lead and Copper Rule MR 8 2008
cis-1,2-Dichloroethylene MR 8 2007
p-Dichlorobenzene MR 8 2007
1,1-Dichloroethylene MR 8 2007
trans-1,2-Dichloroethylene MR 8 2007
Carbon tetrachloride MR 8 2007
1,2-Dichloropropane MR 8 2007
1,1,2-Trichloroethane MR 8 2007
Tetrachloroethylene MR 8 2007
CHLOROBENZENE MR 8 2007
Toluene MR 8 2007
DICHLOROMETHANE MR 8 2007
Vinyl chloride MR 8 2007
1,1,1-Trichloroethane MR 8 2007
Benzene MR 8 2007
Ethylbenzene MR 8 2007
Arsenic MR 8 2007
Styrene MR 8 2007
1,2,4-Trichlorobenzene MR 8 2007
Trichloroethylene MR 8 2007
Xylenes, Total MR 8 2007
1,2-Dichloroethane MR 8 2007
o-Dichlorobenzene MR 8 2007
Consumer Confidence Rule Other 7 2007
Gross Alpha, Excl. Radon and U MR 5 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 Winnstock Condos.

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 NH0882060 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
2008 Arsenic MCL 16 SDWIS / NH0882060 / 1005
2008 Lead and Copper Rule MR 8 SDWIS / NH0882060 / 5000
2008 Public Notice Other 2 SDWIS / NH0882060 / 7500
2007 Nitrate MR 20 SDWIS / NH0882060 / 1040
2007 Coliform (TCR) MR 15 SDWIS / NH0882060 / 3100
2007 cis-1,2-Dichloroethylene MR 8 SDWIS / NH0882060 / 2380
2007 p-Dichlorobenzene MR 8 SDWIS / NH0882060 / 2969
2007 1,1-Dichloroethylene MR 8 SDWIS / NH0882060 / 2977
2007 trans-1,2-Dichloroethylene MR 8 SDWIS / NH0882060 / 2979
2007 Carbon tetrachloride MR 8 SDWIS / NH0882060 / 2982
2007 1,2-Dichloropropane MR 8 SDWIS / NH0882060 / 2983
2007 1,1,2-Trichloroethane MR 8 SDWIS / NH0882060 / 2985
2007 Tetrachloroethylene MR 8 SDWIS / NH0882060 / 2987
2007 CHLOROBENZENE MR 8 SDWIS / NH0882060 / 2989
2007 Toluene MR 8 SDWIS / NH0882060 / 2991

How Winnstock Condos Compares

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

Metric Winnstock Condos New Hampshire avg Federal benchmark
Total violations 448 63.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 48 12.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 35.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 125 506 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 Winnstock Condos water safe to drink? ▼
Winnstock Condos (PWS ID: NH0882060) has 448 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 125 people using Groundwater sources.
How many people does Winnstock Condos serve? ▼
Winnstock Condos serves 125 people in N Quincy, New Hampshire. It is a Private-owned system using Groundwater water sources with 49 service connections.
What type of violations does Winnstock Condos have? ▼
Winnstock Condos has 448 total violations: 48 health-based violations (MCL exceedances or treatment failures), 384 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Winnstock Condos water? ▼
No PFAS testing data is available for Winnstock Condos under the EPA's UCMR5 monitoring program.
What water source does Winnstock Condos use? ▼
Winnstock Condos uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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.