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Community Water System · PWS NH1841010

Ossipee Water Dept

Center Ossipee, New Hampshire 03814 - drinking water served from groundwater sources to 860 people, tracked in EPA SDWIS and UCMR5.

860
People served
308
EPA violations
5
Health-based
Untested
UCMR5 result

The verdict

EPA records 308 drinking-water violations at Ossipee Water Dept, 2% of them health-based - above the New Hampshire per-system average.

308
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
860
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ossipee Water Dept

Ossipee Water Dept is a local-owned community water system that delivers drinking water to 860 residents in Center Ossipee, New Hampshire (Carroll County) through 344 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 308 total violations for this system , of which 5 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 288 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 Nitrate, recorded in 16 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 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%).

Ossipee Water Dept's 308 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
860
Total Violations
308
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
344
County
Carroll
School/Daycare
No
MCL Violations
4
Monitoring Violations
288
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 16 1995
1,2,4-Trichlorobenzene MR 8 1995
Barium MR 8 1995
cis-1,2-Dichloroethylene MR 8 1995
Cadmium MR 8 1995
Xylenes, Total MR 8 1995
DICHLOROMETHANE MR 8 1995
p-Dichlorobenzene MR 8 1995
Vinyl chloride MR 8 1995
1,1-Dichloroethylene MR 8 1995
Selenium MR 8 1995
trans-1,2-Dichloroethylene MR 8 1995
Antimony, Total MR 8 1995
1,1,1-Trichloroethane MR 8 1995
1,2-Dichloropropane MR 8 1995
Trichloroethylene MR 8 1995
1,1,2-Trichloroethane MR 8 1995
Tetrachloroethylene MR 8 1995
CHLOROBENZENE MR 8 1995
Benzene MR 8 1995
Toluene MR 8 1995
Ethylbenzene MR 8 1995
Arsenic MR 8 1995
Chromium MR 8 1995
CYANIDE MR 8 1995
Fluoride MR 8 1995
Nickel MR 8 1995
1,2-Dichloroethane MR 8 1995
Beryllium, Total MR 8 1995
Styrene MR 8 1995

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 Ossipee Water Dept.

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 NH1841010 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 Lead and Copper Rule MR 2 SDWIS / NH1841010 / 5000
2009 Chlorine MR 2 SDWIS / NH1841010 / 0999
2007 Consumer Confidence Rule Other 2 SDWIS / NH1841010 / 7000
1998 Coliform (TCR) MCL 4 SDWIS / NH1841010 / 3100
1995 Nitrate MR 16 SDWIS / NH1841010 / 1040
1995 1,2,4-Trichlorobenzene MR 8 SDWIS / NH1841010 / 2378
1995 Barium MR 8 SDWIS / NH1841010 / 1010
1995 cis-1,2-Dichloroethylene MR 8 SDWIS / NH1841010 / 2380
1995 Cadmium MR 8 SDWIS / NH1841010 / 1015
1995 Xylenes, Total MR 8 SDWIS / NH1841010 / 2955
1995 DICHLOROMETHANE MR 8 SDWIS / NH1841010 / 2964
1995 p-Dichlorobenzene MR 8 SDWIS / NH1841010 / 2969
1995 Vinyl chloride MR 8 SDWIS / NH1841010 / 2976
1995 1,1-Dichloroethylene MR 8 SDWIS / NH1841010 / 2977
1995 Selenium MR 8 SDWIS / NH1841010 / 1045

How Ossipee Water Dept Compares

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

Metric Ossipee Water Dept New Hampshire avg Federal benchmark
Total violations 308 63.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 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 860 506 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 Ossipee Water Dept water safe to drink? ▼
Ossipee Water Dept (PWS ID: NH1841010) has 308 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 860 people using Groundwater sources.
How many people does Ossipee Water Dept serve? ▼
Ossipee Water Dept serves 860 people in Center Ossipee, New Hampshire. It is a Local-owned system using Groundwater water sources with 344 service connections.
What type of violations does Ossipee Water Dept have? ▼
Ossipee Water Dept has 308 total violations: 5 health-based violations (MCL exceedances or treatment failures), 288 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ossipee Water Dept water? ▼
No PFAS testing data is available for Ossipee Water Dept under the EPA's UCMR5 monitoring program.
What water source does Ossipee Water Dept use? ▼
Ossipee Water Dept 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.