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Community Water System · PWS NH2223010

Pleasant Valley Park Estates

Winnisquam, New Hampshire 03289 - drinking water served from groundwater sources to 65 people, tracked in EPA SDWIS and UCMR5.

65
People served
757
EPA violations
33
Health-based
Untested
UCMR5 result

The verdict

EPA records 757 drinking-water violations at Pleasant Valley Park Estates, 4% of them health-based - above the New Hampshire per-system average.

757
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
65
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Pleasant Valley Park Estates

Pleasant Valley Park Estates is a private-owned community water system that delivers drinking water to 65 residents in Winnisquam, New Hampshire (Coos County) through 24 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 757 total violations for this system , of which 33 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 697 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 31 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, 23 of 51 UCMR5-tested systems have reported PFAS detections (45.1%).

Pleasant Valley Park Estates's 757 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
65
Total Violations
757
Health-Based Violations
33
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
24
County
Coos
School/Daycare
No
MCL Violations
31
Monitoring Violations
697
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 31 2004
Coliform (TCR) MR 22 2001
Fluoride MR 17 2000
Nitrate MR 15 2000
Arsenic MR 13 2000
Nitrite MR 13 2000
Cadmium MR 13 2000
CYANIDE MR 13 2000
Mercury MR 13 2000
Selenium MR 13 2000
Antimony, Total MR 13 2000
Thallium, Total MR 13 2000
Beryllium, Total MR 13 2000
Barium MR 13 2000
Chromium MR 13 2000
Consumer Confidence Rule Other 13 2015
cis-1,2-Dichloroethylene MR 11 2000
o-Dichlorobenzene MR 11 2000
Vinyl chloride MR 11 2000
trans-1,2-Dichloroethylene MR 11 2000
1,2-Dichloroethane MR 11 2000
Carbon tetrachloride MR 11 2000
1,2-Dichloropropane MR 11 2000
Trichloroethylene MR 11 2000
CHLOROBENZENE MR 11 2000
Toluene MR 11 2000
Styrene MR 11 2000
DICHLOROMETHANE MR 11 2000
p-Dichlorobenzene MR 11 2000
1,1,2-Trichloroethane MR 11 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 Pleasant Valley Park Estates.

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 NH2223010 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
2022 Revised Total Coliform Rule RPT 8 SDWIS / NH2223010 / 8000
2022 Revised Total Coliform Rule MON 8 SDWIS / NH2223010 / 8000
2022 Public Notice Other 4 SDWIS / NH2223010 / 7500
2015 Consumer Confidence Rule Other 13 SDWIS / NH2223010 / 7000
2014 Lead and Copper Rule MR 6 SDWIS / NH2223010 / 5000
2011 E. COLI MR 4 SDWIS / NH2223010 / 3014
2004 Coliform (TCR) MCL 31 SDWIS / NH2223010 / 3100
2001 Coliform (TCR) MR 22 SDWIS / NH2223010 / 3100
2000 Fluoride MR 17 SDWIS / NH2223010 / 1025
2000 Nitrate MR 15 SDWIS / NH2223010 / 1040
2000 Arsenic MR 13 SDWIS / NH2223010 / 1005
2000 Nitrite MR 13 SDWIS / NH2223010 / 1041
2000 Cadmium MR 13 SDWIS / NH2223010 / 1015
2000 CYANIDE MR 13 SDWIS / NH2223010 / 1024
2000 Mercury MR 13 SDWIS / NH2223010 / 1035

How Pleasant Valley Park Estates Compares

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

Metric Pleasant Valley Park Estates New Hampshire avg Federal benchmark
Total violations 757 63.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 33 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 65 506 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 Pleasant Valley Park Estates water safe to drink? ▼
Pleasant Valley Park Estates (PWS ID: NH2223010) has 757 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 65 people using Groundwater sources.
How many people does Pleasant Valley Park Estates serve? ▼
Pleasant Valley Park Estates serves 65 people in Winnisquam, New Hampshire. It is a Private-owned system using Groundwater water sources with 24 service connections.
What type of violations does Pleasant Valley Park Estates have? ▼
Pleasant Valley Park Estates has 757 total violations: 33 health-based violations (MCL exceedances or treatment failures), 697 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Pleasant Valley Park Estates water? ▼
No PFAS testing data is available for Pleasant Valley Park Estates under the EPA's UCMR5 monitoring program.
What water source does Pleasant Valley Park Estates use? ▼
Pleasant Valley Park Estates 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.