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COLBY WATER CO

PWS ID: NJ1904007 · BYRAM TWP, New Jersey 07874

COLBY WATER CO serves 65 people in BYRAM TWP, New Jersey using Groundwater water sources. It has 29 recorded EPA violations, including 5 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: COLBY WATER CO

COLBY WATER CO is a private-owned community water system that delivers drinking water to 65 residents in BYRAM TWP, New Jersey (Sussex County) through 19 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 29 total violations for this system , of which 5 (17%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 22 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 5 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 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. COLBY WATER CO's 29 violations sit below 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
65
Total Violations
29
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
19
County
Sussex
School/Daycare
No
MCL Violations
5
Monitoring Violations
22
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 5 2012
Lead and Copper Rule MR 4 2024
Coliform (TCR) MR 4 2000
Barium MR 2 1982
Mercury MR 2 1982
Cadmium MR 2 1982
Arsenic MR 2 1982
Chromium MR 2 1982
Fluoride MR 2 1982
Selenium MR 1 1982
Gross Alpha, Excl. Radon and U MR 1 1980

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 COLBY WATER CO.

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 NJ1904007 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 COLBY WATER CO 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 Lead and Copper Rule MR 4 SDWIS / NJ1904007 / 5000
2012 Coliform (TCR) MCL 5 SDWIS / NJ1904007 / 3100
2000 Coliform (TCR) MR 4 SDWIS / NJ1904007 / 3100
1982 Barium MR 2 SDWIS / NJ1904007 / 1010
1982 Mercury MR 2 SDWIS / NJ1904007 / 1035
1982 Cadmium MR 2 SDWIS / NJ1904007 / 1015
1982 Arsenic MR 2 SDWIS / NJ1904007 / 1005
1982 Chromium MR 2 SDWIS / NJ1904007 / 1020
1982 Fluoride MR 2 SDWIS / NJ1904007 / 1025
1982 Selenium MR 1 SDWIS / NJ1904007 / 1045
1980 Gross Alpha, Excl. Radon and U MR 1 SDWIS / NJ1904007 / 4000

How COLBY WATER CO Compares

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

Metric COLBY WATER CO New Jersey avg Federal benchmark
Total violations 29 59.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 5 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 65 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 COLBY WATER CO water safe to drink?
COLBY WATER CO (PWS ID: NJ1904007) has 29 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 65 people using Groundwater sources.
How many people does COLBY WATER CO serve?
COLBY WATER CO serves 65 people in BYRAM TWP, New Jersey. It is a Private-owned system using Groundwater water sources with 19 service connections.
What type of violations does COLBY WATER CO have?
COLBY WATER CO has 29 total violations: 5 health-based violations (MCL exceedances or treatment failures), 22 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in COLBY WATER CO water?
No PFAS testing data is available for COLBY WATER CO under the EPA's UCMR5 monitoring program.
What water source does COLBY WATER CO use?
COLBY WATER CO 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.

Related

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