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RIVERSIDE MHP

PWS ID: NJ2113002 · COLUMBIA, New Jersey 07832

RIVERSIDE MHP serves 85 people in COLUMBIA, New Jersey using Groundwater water sources. It has 88 recorded EPA violations, including 30 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: RIVERSIDE MHP

RIVERSIDE MHP is a private-owned community water system that delivers drinking water to 85 residents in COLUMBIA, New Jersey (Warren County) through 36 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 88 total violations for this system , of which 30 (34%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 44 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 30 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across New Jersey, EPA tracks 3,428 public water systems serving 9,570,926 people, with 204,988 cumulative violations and 22,229 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 59.8 violations. RIVERSIDE MHP's 88 violations sit above the New Jersey average. Statewide, 208 of 264 UCMR5-tested systems have reported PFAS detections (78.8%). 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
85
Total Violations
88
Health-Based Violations
30
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
36
County
Warren
School/Daycare
No
MCL Violations
30
Monitoring Violations
44
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 30 2015
Arsenic MR 5 1988
Barium MR 5 1988
Selenium MR 5 1988
Mercury MR 5 1988
Fluoride MR 5 1988
Cadmium MR 5 1988
Revised Total Coliform Rule RPT 5 2024
Lead and Copper Rule MR 5 2023
Chromium MR 3 1988
Revised Total Coliform Rule MON 2 2024
Nitrate MR 2 2001
Coliform (TCR) MR 2 1993
Consumer Confidence Rule Other 2 2022

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFDA 4/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 4/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 4/16/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 4/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 4/16/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 4/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 4/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 4/16/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 4/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 4/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 4/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 4/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
lithium 4/16/2025 <9 µg/L 9 µg/L Not Detected
PFEESA 4/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 4/16/2025 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 4/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 4/16/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFBA 4/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 4/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 4/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 4/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 4/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 4/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 4/16/2025 <0.007 µg/L 0.007 µg/L Not Detected
lithium 10/15/2025 <9 µg/L 9 µg/L Not Detected
PFUnA 10/15/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 10/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 10/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 10/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 10/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 10/15/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 10/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 10/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 10/15/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFHpS 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 10/15/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFBA 10/15/2025 <0.005 µg/L 0.005 µg/L 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 RIVERSIDE MHP.

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 NJ2113002 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New Jersey Drinking Water Authority

NJ DEP — Bureau of Safe Drinking Water is the primacy agency that licenses and inspects RIVERSIDE MHP under EPA-delegated authority.

Open NJ regulator portal

Source: NJ DEP — Bureau of Safe Drinking Water

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 Revised Total Coliform Rule RPT 5 SDWIS / NJ2113002 / 8000
2024 Revised Total Coliform Rule MON 2 SDWIS / NJ2113002 / 8000
2023 Lead and Copper Rule MR 5 SDWIS / NJ2113002 / 5000
2022 Consumer Confidence Rule Other 2 SDWIS / NJ2113002 / 7000
2015 Coliform (TCR) MCL 30 SDWIS / NJ2113002 / 3100
2001 Nitrate MR 2 SDWIS / NJ2113002 / 1040
1993 Coliform (TCR) MR 2 SDWIS / NJ2113002 / 3100
1988 Arsenic MR 5 SDWIS / NJ2113002 / 1005
1988 Barium MR 5 SDWIS / NJ2113002 / 1010
1988 Selenium MR 5 SDWIS / NJ2113002 / 1045
1988 Mercury MR 5 SDWIS / NJ2113002 / 1035
1988 Fluoride MR 5 SDWIS / NJ2113002 / 1025
1988 Cadmium MR 5 SDWIS / NJ2113002 / 1015
1988 Chromium MR 3 SDWIS / NJ2113002 / 1020

How RIVERSIDE MHP Compares

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

Metric RIVERSIDE MHP New Jersey avg Federal benchmark
Total violations 88 59.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 30 6.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 78.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 85 2,792 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 3,428 regulated public water systems in New Jersey.

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 RIVERSIDE MHP water safe to drink? ▼
RIVERSIDE MHP (PWS ID: NJ2113002) has 88 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 85 people using Groundwater sources.
How many people does RIVERSIDE MHP serve? ▼
RIVERSIDE MHP serves 85 people in COLUMBIA, New Jersey. It is a Private-owned system using Groundwater water sources with 36 service connections.
What type of violations does RIVERSIDE MHP have? ▼
RIVERSIDE MHP has 88 total violations: 30 health-based violations (MCL exceedances or treatment failures), 44 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in RIVERSIDE MHP water? ▼
No. RIVERSIDE MHP was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does RIVERSIDE MHP use? ▼
RIVERSIDE MHP 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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