Public water system · PA7670378
ActiveChestnut Grove Umc
At a glance
Chestnut Grove Umc (PWSID PA7670378) is an active non-transient non-community water system in York County, Pennsylvania. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as under public/private ownership. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Chestnut Grove Umc compare with other water systems in York County?
By EPA's size categories, Chestnut Grove Umc is a very small system (500 people or fewer). York County has 198 active public water systems. Its population served is well below the county average of 1,960 people per system, and accounts for less than 0.1% of the 388,008 people reported by systems filed under the county. Across Pennsylvania, the 7,217 active systems average 1,741 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Chestnut Grove Umc is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Pennsylvania has 1,026 active non-transient non-community water systems, 14% 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 Chestnut Grove Umc?
EPA lists Chestnut Grove Umc as under public/private ownership. 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. 55 of the 198 active systems in York County (28%) are also under public/private ownership.
Does Chestnut Grove Umc have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2023. The violations listed here began between January 2023 and July 2023. By type: 12 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule, Picloram, 2,4,5-TP (Silvex) and Heptachlor. 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 |
|---|---|---|---|---|
| 2023-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4,5-TP (Silvex)code 2110 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorobenzenecode 2274 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Polychlorinated biphenyls (PCBs), totalcode 2383 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | 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.
Chestnut Grove Umc: frequently asked questions
Who runs Chestnut Grove Umc?
Chestnut Grove Umc (PWSID PA7670378) is a non-transient non-community water system under public/private ownership. It is regulated by the PA state drinking water program.
How many people does Chestnut Grove Umc serve?
Chestnut Grove Umc reports serving 25 people through 1 service connection in York County, Pennsylvania.
Where does Chestnut Grove Umc 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 Chestnut Grove Umc 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 July 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 Chestnut Grove Umc'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 July 2023. For current results, consult EPA ECHO, or the PA state drinking water program.
Where can I find Chestnut Grove Umc's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Chestnut Grove Umc is a non-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 York County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| York Water Co | York | 206,762 | Community | Surface water |
| Hanover Muni Water Works | York | 40,900 | Community | Surface water |
| Dover Twp Water Sys | York | 21,097 | Community | Purchased surface water |
| Red Lion Municipal Authority | York | 15,882 | Community | Surface water |
| Dallastown Yoe Water Auth | York | 12,300 | Community | Purchased surface water |
| West Manchester Twp Auth | York | 9,960 | 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, “Chestnut Grove Umc, PWSID PA7670378, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/chestnut-grove-umc-pa7670378 (data as of October 1, 2026).