Public water system · PA4340005
ActiveGroninger Farms Arch Rock
At a glance
Groninger Farms Arch Rock (PWSID PA4340005) is an active community water system in Juniata County, Pennsylvania. It reports serving 175 people through 63 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, none is health-based, and the most recent began in January 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
175
Service connections
63
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Groninger Farms Arch Rock compare with other water systems in Juniata County?
By EPA's size categories, Groninger Farms Arch Rock is a very small system (500 people or fewer). Juniata County has 38 active public water systems. Its population served is about half of the county average of 368 people per system, and accounts for 1.3% of the 13,989 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 Groninger Farms Arch Rock 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 Groninger Farms Arch Rock?
EPA lists Groninger Farms Arch Rock 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. 29 of the 38 active systems in Juniata County (76%) are also privately owned.
Does Groninger Farms Arch Rock have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2022. The violations listed here began between January 2013 and January 2022. By type: 12 monitoring and reporting. The contaminants or rules involved are 1,1-Dichloroethylene, Xylenes, Total, Groundwater Rule and Di(2-ethylhexyl) phthalate. 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 |
|---|---|---|---|---|
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2021-02-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2018-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2018-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | 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.
Groninger Farms Arch Rock: frequently asked questions
Who runs Groninger Farms Arch Rock?
Groninger Farms Arch Rock (PWSID PA4340005) is a community water system privately owned. It is regulated by the PA state drinking water program.
How many people does Groninger Farms Arch Rock serve?
Groninger Farms Arch Rock reports serving 175 people through 63 service connections in Juniata County, Pennsylvania.
Where does Groninger Farms Arch Rock 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 Groninger Farms Arch Rock have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2022. 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 Groninger Farms Arch Rock'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.
Where can I find Groninger Farms Arch Rock's water quality report?
As a community water system, Groninger Farms Arch Rock 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 Juniata County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mifflintown Muni Auth | Juniata | 4,450 | Community | Surface water |
| Richfield Area Joint Auth | Juniata | 1,000 | Community | Groundwater |
| Thompsontown Muni Auth | Juniata | 1,000 | Community | Groundwater |
| Port Royal Muni Auth | Juniata | 950 | Community | Groundwater |
| Mcalisterville Area Joint Auth | Juniata | 850 | Community | Groundwater under influence of surface water |
| W E Schlegel Inc. | Juniata | 750 | Transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Groninger Farms Arch Rock, PWSID PA4340005, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/groninger-farms-arch-rock-pa4340005 (data as of October 1, 2026).