Public water system · PA5101035
ActiveAdams Mfg Plant 2
At a glance
Adams Mfg Plant 2 (PWSID PA5101035) is an active non-transient non-community water system in Butler County, Pennsylvania. It reports serving 160 people through 1 service connection. 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 July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
160
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Adams Mfg Plant 2 compare with other water systems in Butler County?
By EPA's size categories, Adams Mfg Plant 2 is a very small system (500 people or fewer). Butler County has 155 active public water systems. Its population served is well below the county average of 1,007 people per system, and accounts for 0.1% of the 156,059 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 Adams Mfg Plant 2 is about 63% 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 Adams Mfg Plant 2?
EPA lists Adams Mfg Plant 2 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. 111 of the 155 active systems in Butler County (72%) are also privately owned.
Does Adams Mfg Plant 2 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 2025. The violations listed here began between January 2022 and July 2025. By type: 11 monitoring and reporting and 1 reporting. The contaminants or rules involved are Revised Total Coliform Rule, Di(2-ethylhexyl) adipate, Hexachlorocyclopentadiene and Dalapon. 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 |
|---|---|---|---|---|
| 2025-07-11 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorocyclopentadienecode 2042 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Glyphosatecode 2034 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,3,7,8-TCDD (dioxin)code 2063 | 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.
Adams Mfg Plant 2: frequently asked questions
Who runs Adams Mfg Plant 2?
Adams Mfg Plant 2 (PWSID PA5101035) is a non-transient non-community water system privately owned. It is regulated by the PA state drinking water program.
How many people does Adams Mfg Plant 2 serve?
Adams Mfg Plant 2 reports serving 160 people through 1 service connection in Butler County, Pennsylvania.
Where does Adams Mfg Plant 2 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 Adams Mfg Plant 2 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 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 Adams Mfg Plant 2'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 2025. For current results, consult EPA ECHO, or the PA state drinking water program.
Where can I find Adams Mfg Plant 2's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Adams Mfg Plant 2 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 Butler County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pa American Water Co Butler | Butler | 43,286 | Community | Surface water |
| Cranberry Twp WTP | Butler | 42,000 | Community | Purchased surface water |
| Slippery Rock Muni Auth | Butler | 15,778 | Community | Groundwater |
| Municipal Water Auth Adams Twp | Butler | 8,700 | Community | Purchased surface water |
| Harmony Boro Water Auth | Butler | 6,669 | Community | Surface water |
| Zelienople Boro | Butler | 4,123 | 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, “Adams Mfg Plant 2, PWSID PA5101035, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/adams-mfg-plant-2-pa5101035 (data as of October 1, 2026).