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RIDGEWOOD ESTATES

PWS ID: NH0073030 · MANCHESTER, New Hampshire 03109

RIDGEWOOD ESTATES serves 115 people in MANCHESTER, New Hampshire using Groundwater water sources. It has 344 recorded EPA violations, including 40 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: RIDGEWOOD ESTATES

RIDGEWOOD ESTATES is a private-owned community water system that delivers drinking water to 115 residents in MANCHESTER, New Hampshire (Hillsborough County) through 47 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 344 total violations for this system , of which 40 (12%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 296 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 40 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. RIDGEWOOD ESTATES's 344 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
115
Total Violations
344
Health-Based Violations
40
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
47
County
Hillsborough
School/Daycare
No
MCL Violations
40
Monitoring Violations
296
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 40 2014
Coliform (TCR) MR 22 2014
Xylenes, Total MR 8 2000
o-Dichlorobenzene MR 8 2000
Vinyl chloride MR 8 2000
1,1-Dichloroethylene MR 8 2000
1,1,1-Trichloroethane MR 8 2000
Carbon tetrachloride MR 8 2000
Trichloroethylene MR 8 2000
Tetrachloroethylene MR 8 2000
Benzene MR 8 2000
Toluene MR 8 2000
Ethylbenzene MR 8 2000
Styrene MR 8 2000
p-Dichlorobenzene MR 8 2000
1,2-Dichloroethane MR 8 2000
1,2-Dichloropropane MR 8 2000
1,1,2-Trichloroethane MR 8 2000
CHLOROBENZENE MR 8 2000
1,2,4-Trichlorobenzene MR 8 2000
DICHLOROMETHANE MR 8 2000
cis-1,2-Dichloroethylene MR 8 2000
trans-1,2-Dichloroethylene MR 8 2000
Methoxychlor MR 4 2000
Toxaphene MR 4 2000
Di(2-ethylhexyl) adipate MR 4 2000
OXAMYL MR 4 2000
Simazine MR 4 2000
Di(2-ethylhexyl) phthalate MR 4 2000
Picloram MR 4 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 RIDGEWOOD 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 NH0073030 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
2025 Lead and Copper Rule MR 2 SDWIS / NH0073030 / 5000
2014 Coliform (TCR) MCL 40 SDWIS / NH0073030 / 3100
2014 Coliform (TCR) MR 22 SDWIS / NH0073030 / 3100
2012 Consumer Confidence Rule Other 3 SDWIS / NH0073030 / 7000
2000 Xylenes, Total MR 8 SDWIS / NH0073030 / 2955
2000 o-Dichlorobenzene MR 8 SDWIS / NH0073030 / 2968
2000 Vinyl chloride MR 8 SDWIS / NH0073030 / 2976
2000 1,1-Dichloroethylene MR 8 SDWIS / NH0073030 / 2977
2000 1,1,1-Trichloroethane MR 8 SDWIS / NH0073030 / 2981
2000 Carbon tetrachloride MR 8 SDWIS / NH0073030 / 2982
2000 Trichloroethylene MR 8 SDWIS / NH0073030 / 2984
2000 Tetrachloroethylene MR 8 SDWIS / NH0073030 / 2987
2000 Benzene MR 8 SDWIS / NH0073030 / 2990
2000 Toluene MR 8 SDWIS / NH0073030 / 2991
2000 Ethylbenzene MR 8 SDWIS / NH0073030 / 2992

How RIDGEWOOD ESTATES Compares

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

Metric RIDGEWOOD ESTATES New Hampshire avg Federal benchmark
Total violations 344 63.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 40 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 115 506 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 RIDGEWOOD ESTATES water safe to drink? ▼
RIDGEWOOD ESTATES (PWS ID: NH0073030) has 344 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 115 people using Groundwater sources.
How many people does RIDGEWOOD ESTATES serve? ▼
RIDGEWOOD ESTATES serves 115 people in MANCHESTER, New Hampshire. It is a Private-owned system using Groundwater water sources with 47 service connections.
What type of violations does RIDGEWOOD ESTATES have? ▼
RIDGEWOOD ESTATES has 344 total violations: 40 health-based violations (MCL exceedances or treatment failures), 296 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in RIDGEWOOD ESTATES water? ▼
No PFAS testing data is available for RIDGEWOOD ESTATES under the EPA's UCMR5 monitoring program.
What water source does RIDGEWOOD ESTATES use? ▼
RIDGEWOOD 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.

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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