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Community Water System · PWS NH0511030

North Conway Water Pct

North Conway, New Hampshire 03860 - drinking water served from groundwater sources to 5,500 people, tracked in EPA SDWIS and UCMR5.

5,500
People served
126
EPA violations
9
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 126 drinking-water violations at North Conway Water Pct, 7% of them health-based - above the New Hampshire per-system average.

126
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
5,500
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: North Conway Water Pct

North Conway Water Pct is a local-owned community water system that delivers drinking water to 5,500 residents in North Conway, New Hampshire (Carroll County) through 2,710 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 126 total violations for this system , of which 9 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 107 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 11 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

North Conway Water Pct's 126 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
5,500
Total Violations
126
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,710
County
Carroll
School/Daycare
No
MCL Violations
9
Monitoring Violations
107
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 11 2011
Coliform (TCR) MCL 9 2011
Consumer Confidence Rule Other 8 2012
Gross Alpha, Excl. Radon and U MR 8 2023
Lead and Copper Rule MR 4 2011
1,2,4-Trichlorobenzene MR 4 2023
DICHLOROMETHANE MR 4 2023
o-Dichlorobenzene MR 4 2023
p-Dichlorobenzene MR 4 2023
1,1-Dichloroethylene MR 4 2023
trans-1,2-Dichloroethylene MR 4 2023
1,1,1-Trichloroethane MR 4 2023
Carbon tetrachloride MR 4 2023
1,2-Dichloropropane MR 4 2023
Trichloroethylene MR 4 2023
1,1,2-Trichloroethane MR 4 2023
Tetrachloroethylene MR 4 2023
CHLOROBENZENE MR 4 2023
Benzene MR 4 2023
Styrene MR 4 2023
Vinyl chloride MR 4 2023
Ethylbenzene MR 4 2023
1,2-Dichloroethane MR 4 2023
Xylenes, Total MR 4 2023
Toluene MR 4 2023
cis-1,2-Dichloroethylene MR 4 2023

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 290 samples detected PFAS.

Contaminant Date Result MRL Status
PFHpA 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/17/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/17/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/17/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 9/17/2025 <5.00 ppt 5.00 ppt Not Detected
ADONA 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/17/2025 <2.00 ppt 2.00 ppt Not Detected
PFDoA 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFDA 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/17/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 9/17/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/17/2025 <4.00 ppt 4.00 ppt Not Detected
PFTrDA 9/17/2025 <7.00 ppt 7.00 ppt Not Detected
PFUnA 9/17/2025 <2.00 ppt 2.00 ppt Not Detected
PFPeA 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 9/17/2025 <6.00 ppt 6.00 ppt Not Detected
PFHxA 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/17/2025 <4.00 ppt 4.00 ppt Not Detected
NEtFOSAA 9/17/2025 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 9/17/2025 <5.00 ppt 5.00 ppt Not Detected
PFTA 9/17/2025 <8.00 ppt 8.00 ppt Not Detected
PFHpS 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/17/2025 <4.00 ppt 4.00 ppt Not Detected
NFDHA 9/17/2025 <20.00 ppt 20.00 ppt Not Detected
PFEESA 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 9/17/2025 <7.00 ppt 7.00 ppt Not Detected
PFHxS 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 9/17/2025 <8.00 ppt 8.00 ppt Not Detected
PFPeA 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 9/17/2025 <5.00 ppt 5.00 ppt Not Detected
PFHpS 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/17/2025 <4.00 ppt 4.00 ppt Not Detected
NFDHA 9/17/2025 <20.00 ppt 20.00 ppt Not Detected
PFMBA 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/17/2025 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 9/17/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/17/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/17/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 9/17/2025 <5.00 ppt 5.00 ppt Not Detected
PFOS 9/17/2025 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 9/17/2025 <6.00 ppt 6.00 ppt Not Detected
PFEESA 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
ADONA 9/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/17/2025 <4.00 ppt 4.00 ppt Not Detected
PFBS 9/17/2025 <3.00 ppt 3.00 ppt Not Detected

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 North Conway Water Pct.

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 NH0511030 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
2023 Gross Alpha, Excl. Radon and U MR 8 SDWIS / NH0511030 / 4000
2023 1,2,4-Trichlorobenzene MR 4 SDWIS / NH0511030 / 2378
2023 DICHLOROMETHANE MR 4 SDWIS / NH0511030 / 2964
2023 o-Dichlorobenzene MR 4 SDWIS / NH0511030 / 2968
2023 p-Dichlorobenzene MR 4 SDWIS / NH0511030 / 2969
2023 1,1-Dichloroethylene MR 4 SDWIS / NH0511030 / 2977
2023 trans-1,2-Dichloroethylene MR 4 SDWIS / NH0511030 / 2979
2023 1,1,1-Trichloroethane MR 4 SDWIS / NH0511030 / 2981
2023 Carbon tetrachloride MR 4 SDWIS / NH0511030 / 2982
2023 1,2-Dichloropropane MR 4 SDWIS / NH0511030 / 2983
2023 Trichloroethylene MR 4 SDWIS / NH0511030 / 2984
2023 1,1,2-Trichloroethane MR 4 SDWIS / NH0511030 / 2985
2023 Tetrachloroethylene MR 4 SDWIS / NH0511030 / 2987
2023 CHLOROBENZENE MR 4 SDWIS / NH0511030 / 2989
2023 Benzene MR 4 SDWIS / NH0511030 / 2990

How North Conway Water Pct Compares

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

Metric North Conway Water Pct New Hampshire avg Federal benchmark
Total violations 126 63.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 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 5,500 506 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 North Conway Water Pct water safe to drink?
North Conway Water Pct (PWS ID: NH0511030) has 126 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 5,500 people using Groundwater sources.
How many people does North Conway Water Pct serve?
North Conway Water Pct serves 5,500 people in North Conway, New Hampshire. It is a Local-owned system using Groundwater water sources with 2,710 service connections.
What type of violations does North Conway Water Pct have?
North Conway Water Pct has 126 total violations: 9 health-based violations (MCL exceedances or treatment failures), 107 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in North Conway Water Pct water?
No. North Conway Water Pct was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does North Conway Water Pct use?
North Conway Water Pct 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.