Public water system · PA3130006
ActiveNis Hollow Estates
At a glance
Nis Hollow Estates (PWSID PA3130006) is an active community water system in Carbon County, Pennsylvania. It reports serving 265 people through 128 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
265
Service connections
128
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Nis Hollow Estates compare with other water systems in Carbon County?
By EPA's size categories, Nis Hollow Estates is a very small system (500 people or fewer). Carbon County has 143 active public water systems. Its population served is about 44% below the county average of 470 people per system, and accounts for 0.4% of the 67,225 people reported by systems filed under the county. Across Pennsylvania, the 7,217 active systems average 1,741 people each. Nationally, the average active community water system reports serving 6,703 people, so Nis Hollow Estates is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Pennsylvania has 1,762 active community water systems, 24% of the state's 7,217 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,632 Pennsylvania systems (92%) list groundwater as their primary source.
Who owns and regulates Nis Hollow Estates?
EPA lists Nis Hollow Estates as privately owned. The PA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 102 of the 143 active systems in Carbon County (71%) are also privately owned.
Does Nis Hollow Estates have drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2025. The violations listed here began between October 2014 and January 2025. By type: 5 required treatment not met, 3 monitoring and reporting, 3 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Groundwater Rule (8 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2023-10-13 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-10-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-11-13 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-11-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-09-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2021-02-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2019-09-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2019-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2015-01-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2014-11-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2014-10-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
The 12 most recent 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.
Nis Hollow Estates: frequently asked questions
Who runs Nis Hollow Estates?
Nis Hollow Estates (PWSID PA3130006) is a community water system privately owned. It is regulated by the PA state drinking water program.
How many people does Nis Hollow Estates serve?
Nis Hollow Estates reports serving 265 people through 128 service connections in Carbon County, Pennsylvania.
Where does Nis Hollow Estates 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 Nis Hollow Estates have any drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2025. 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 Nis Hollow Estates' 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. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.
Where can I find Nis Hollow Estates' water quality report?
As a community water system, Nis Hollow Estates must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Carbon County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lansford Coaldale Jt Water Aut | Carbon | 9,300 | Community | Groundwater |
| Lehighton Water Authority | Carbon | 9,000 | Community | Surface water |
| Palmerton Municipal Authority | Carbon | 7,000 | Community | Groundwater |
| Summit Hill Water Authority | Carbon | 2,890 | Community | Groundwater |
| Jim Thorpe Borough Water East | Carbon | 2,853 | Community | Groundwater |
| Nesquehoning Boro Water Auth | Carbon | 2,850 | Community | Groundwater |
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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, “Nis Hollow Estates, PWSID PA3130006, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/nis-hollow-estates-pa3130006 (data as of October 1, 2026).