Public water system · NJ1309432
ActiveColts Neck Stillhouse
At a glance
Colts Neck Stillhouse (PWSID NJ1309432) is an active transient non-community water system in Monmouth County, New Jersey. It reports serving 80 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in April 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
80
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Colts Neck Stillhouse compare with other water systems in Monmouth County?
By EPA's size categories, Colts Neck Stillhouse is a very small system (500 people or fewer). Monmouth County has 288 active public water systems. Its population served is well below the county average of 2,486 people per system, and accounts for less than 0.1% of the 715,906 people reported by systems filed under the county. Across New Jersey, the 3,496 active systems average 2,750 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Colts Neck Stillhouse is about 44% below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New Jersey has 2,277 active transient non-community water systems, 65% of the state's 3,496 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,313 New Jersey systems (95%) list groundwater as their primary source.
Who owns and regulates Colts Neck Stillhouse?
EPA lists Colts Neck Stillhouse as privately owned. The NJ state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 224 of the 288 active systems in Monmouth County (78%) are also privately owned.
Does Colts Neck Stillhouse have drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in April 2023. The violations listed here began between January 2019 and April 2023. By type: 4 reporting, 2 monitoring and reporting, 1 public notice, recordkeeping or other, 1 required treatment not met and 1 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 9 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-04-02 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-04-02 | Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2023-01-11 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-07-11 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-10-11 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-07-11 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
All 9 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Colts Neck Stillhouse: frequently asked questions
Who runs Colts Neck Stillhouse?
Colts Neck Stillhouse (PWSID NJ1309432) is a transient non-community water system privately owned. It is regulated by the NJ state drinking water program.
How many people does Colts Neck Stillhouse serve?
Colts Neck Stillhouse reports serving 80 people through 1 service connection in Monmouth County, New Jersey.
Where does Colts Neck Stillhouse get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Colts Neck Stillhouse have any drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in April 2023. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Colts Neck Stillhouse's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in April 2023. For current results, consult EPA ECHO, or the NJ state drinking water program.
Where can I find Colts Neck Stillhouse's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Colts Neck Stillhouse is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Monmouth County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Nj American Water - Coastal North | Monmouth + 1 more | 377,613 | Community | Surface water |
| Gordons Corner Water Co | Monmouth | 46,196 | Community | Purchased surface water |
| Freehold Twp Water Dept | Monmouth | 29,831 | Community | Purchased surface water |
| Marlboro Township Water Utility Division | Monmouth | 29,480 | Community | Purchased surface water |
| Wall Twp Water Dept | Monmouth | 26,000 | Community | Purchased surface water |
| Belmar Water Dept | Monmouth | 20,000 | Community | Purchased surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Colts Neck Stillhouse, PWSID NJ1309432, New Jersey”, https://aquacensus.com/water-systems/new-jersey/colts-neck-stillhouse-nj1309432 (data as of October 1, 2026).