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RIVENDELL INTERSTATE SCH

PWS ID: NH1835010 · ORFORD NH, New Hampshire 03777

RIVENDELL INTERSTATE SCH serves 280 people in ORFORD NH, New Hampshire using Groundwater water sources. It has 101 recorded EPA violations, including 43 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: RIVENDELL INTERSTATE SCH

RIVENDELL INTERSTATE SCH is a local-owned non-transient non-community water system that delivers drinking water to 280 residents in ORFORD NH, New Hampshire (Grafton County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 101 total violations for this system , of which 43 (43%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 56 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 43 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. RIVENDELL INTERSTATE SCH's 101 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
280
Total Violations
101
Health-Based Violations
43
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
2
County
Grafton
School/Daycare
Yes
MCL Violations
43
Monitoring Violations
56
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 43 2014
Lead and Copper Rule MR 10 2021
Nitrate MR 2 1993
Nitrite MR 2 1993
1,2,4-Trichlorobenzene MR 2 1993
cis-1,2-Dichloroethylene MR 2 1993
o-Dichlorobenzene MR 2 1993
1,1-Dichloroethylene MR 2 1993
trans-1,2-Dichloroethylene MR 2 1993
1,2-Dichloroethane MR 2 1993
1,1,1-Trichloroethane MR 2 1993
1,2-Dichloropropane MR 2 1993
Trichloroethylene MR 2 1993
1,1,2-Trichloroethane MR 2 1993
Benzene MR 2 1993
Toluene MR 2 1993
Tetrachloroethylene MR 2 1993
CHLOROBENZENE MR 2 1993
Xylenes, Total MR 2 1993
DICHLOROMETHANE MR 2 1993
Carbon tetrachloride MR 2 1993
Styrene MR 2 1993
p-Dichlorobenzene MR 2 1993
Vinyl chloride MR 2 1993
Ethylbenzene MR 2 1993

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 RIVENDELL INTERSTATE SCH.

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 NH1835010 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
2021 Lead and Copper Rule MR 10 SDWIS / NH1835010 / 5000
2014 Coliform (TCR) MCL 43 SDWIS / NH1835010 / 3100
1993 Nitrate MR 2 SDWIS / NH1835010 / 1040
1993 Nitrite MR 2 SDWIS / NH1835010 / 1041
1993 1,2,4-Trichlorobenzene MR 2 SDWIS / NH1835010 / 2378
1993 cis-1,2-Dichloroethylene MR 2 SDWIS / NH1835010 / 2380
1993 o-Dichlorobenzene MR 2 SDWIS / NH1835010 / 2968
1993 1,1-Dichloroethylene MR 2 SDWIS / NH1835010 / 2977
1993 trans-1,2-Dichloroethylene MR 2 SDWIS / NH1835010 / 2979
1993 1,2-Dichloroethane MR 2 SDWIS / NH1835010 / 2980
1993 1,1,1-Trichloroethane MR 2 SDWIS / NH1835010 / 2981
1993 1,2-Dichloropropane MR 2 SDWIS / NH1835010 / 2983
1993 Trichloroethylene MR 2 SDWIS / NH1835010 / 2984
1993 1,1,2-Trichloroethane MR 2 SDWIS / NH1835010 / 2985
1993 Benzene MR 2 SDWIS / NH1835010 / 2990

How RIVENDELL INTERSTATE SCH Compares

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

Metric RIVENDELL INTERSTATE SCH New Hampshire avg Federal benchmark
Total violations 101 63.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 43 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 280 506 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 RIVENDELL INTERSTATE SCH water safe to drink? ▼
RIVENDELL INTERSTATE SCH (PWS ID: NH1835010) has 101 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 280 people using Groundwater sources.
How many people does RIVENDELL INTERSTATE SCH serve? ▼
RIVENDELL INTERSTATE SCH serves 280 people in ORFORD NH, New Hampshire. It is a Local-owned system using Groundwater water sources with 2 service connections.
What type of violations does RIVENDELL INTERSTATE SCH have? ▼
RIVENDELL INTERSTATE SCH has 101 total violations: 43 health-based violations (MCL exceedances or treatment failures), 56 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in RIVENDELL INTERSTATE SCH water? ▼
No PFAS testing data is available for RIVENDELL INTERSTATE SCH under the EPA's UCMR5 monitoring program.
What water source does RIVENDELL INTERSTATE SCH use? ▼
RIVENDELL INTERSTATE SCH uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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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