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SOUTH WEARE WATER

PWS ID: NH2452030 · WEARE, New Hampshire 03281

SOUTH WEARE WATER serves 200 people in WEARE, New Hampshire using Groundwater water sources. It has 240 recorded EPA violations, including 121 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SOUTH WEARE WATER

SOUTH WEARE WATER is a private-owned community water system that delivers drinking water to 200 residents in WEARE, New Hampshire (Hillsborough County) through 80 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 240 total violations for this system , of which 121 (50%) 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 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 66 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. SOUTH WEARE WATER's 240 violations sit above the New Hampshire average. Statewide, 23 of 51 UCMR5-tested systems have reported PFAS detections (45.1%). 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
240
Health-Based Violations
121
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
80
County
Hillsborough
School/Daycare
No
MCL Violations
113
Monitoring Violations
86
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 66 2012
Coliform (TCR) MR 46 2014
Arsenic MCL 28 2023
Consumer Confidence Rule Other 16 2017
Fluoride MCL 15 2013
Public Notice Other 11 2024
E. COLI MR 8 2018
Nitrate MR 8 2014
Groundwater Rule TT 4 2011
Lead and Copper Rule MR 4 2012
Arsenic MR 4 2014
Fluoride MR 4 2014
Gross Alpha, Excl. Radon and U MR 4 2014
Revised Total Coliform Rule RPT 4 2017
Revised Total Coliform Rule MCL 4 2023
Combined Uranium MR 4 2014
Revised Total Coliform Rule TT 4 2017
Combined Radium (-226 and -228) MR 4 2014

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 SOUTH WEARE WATER.

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 NH2452030 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 Public Notice Other 11 SDWIS / NH2452030 / 7500
2023 Arsenic MCL 28 SDWIS / NH2452030 / 1005
2023 Revised Total Coliform Rule MCL 4 SDWIS / NH2452030 / 8000
2018 E. COLI MR 8 SDWIS / NH2452030 / 3014
2017 Consumer Confidence Rule Other 16 SDWIS / NH2452030 / 7000
2017 Revised Total Coliform Rule RPT 4 SDWIS / NH2452030 / 8000
2017 Revised Total Coliform Rule TT 4 SDWIS / NH2452030 / 8000
2014 Coliform (TCR) MR 46 SDWIS / NH2452030 / 3100
2014 Nitrate MR 8 SDWIS / NH2452030 / 1040
2014 Arsenic MR 4 SDWIS / NH2452030 / 1005
2014 Fluoride MR 4 SDWIS / NH2452030 / 1025
2014 Gross Alpha, Excl. Radon and U MR 4 SDWIS / NH2452030 / 4000
2014 Combined Uranium MR 4 SDWIS / NH2452030 / 4006
2014 Combined Radium (-226 and -228) MR 4 SDWIS / NH2452030 / 4010
2013 Fluoride MCL 15 SDWIS / NH2452030 / 1025

How SOUTH WEARE WATER Compares

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

Metric SOUTH WEARE WATER New Hampshire avg Federal benchmark
Total violations 240 63.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 121 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is SOUTH WEARE WATER water safe to drink? ▼
SOUTH WEARE WATER (PWS ID: NH2452030) has 240 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 SOUTH WEARE WATER serve? ▼
SOUTH WEARE WATER serves 200 people in WEARE, New Hampshire. It is a Private-owned system using Groundwater water sources with 80 service connections.
What type of violations does SOUTH WEARE WATER have? ▼
SOUTH WEARE WATER has 240 total violations: 121 health-based violations (MCL exceedances or treatment failures), 86 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SOUTH WEARE WATER water? ▼
No PFAS testing data is available for SOUTH WEARE WATER under the EPA's UCMR5 monitoring program.
What water source does SOUTH WEARE WATER use? ▼
SOUTH WEARE WATER 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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial