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Non-Transient Non-Community Water System · PWS PA5101035

Adams Mfg Plant 2

Portersville, Pennsylvania 16051 - drinking water served from groundwater sources to 160 people, tracked in EPA SDWIS and UCMR5.

160
People served
388
EPA violations
3
Health-based
Untested
UCMR5 result

The verdict

EPA records 388 drinking-water violations at Adams Mfg Plant 2, 1% of them health-based - above the Pennsylvania per-system average.

388
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
160
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Adams Mfg Plant 2

Adams Mfg Plant 2 is a private-owned non-transient non-community water system that delivers drinking water to 160 residents in Portersville, Pennsylvania (Butler County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 388 total violations for this system , of which 3 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 381 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Asbestos, recorded in 18 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Pennsylvania, EPA tracks 7,701 public water systems serving 12,630,061 people, with 1,159,868 cumulative violations and 68,517 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 150.6 violations. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%).

Adams Mfg Plant 2's 388 violations sit above the Pennsylvania average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
160
Total Violations
388
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Butler
School/Daycare
No
MCL Violations
0
Monitoring Violations
381
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Asbestos MR 18 2018
Chlorine MR 14 2015
Di(2-ethylhexyl) adipate MR 10 2022
Arsenic MR 8 2018
Barium MR 7 2016
Chromium MR 7 2016
CYANIDE MR 7 2016
Fluoride MR 7 2016
Mercury MR 7 2016
Nickel MR 7 2016
Selenium MR 7 2016
Thallium, Total MR 7 2016
Chlordane MR 7 2014
Cadmium MR 7 2016
Beryllium, Total MR 7 2016
Antimony, Total MR 7 2016
Nitrate MR 6 2013
Nitrite MR 6 2013
Endrin MR 6 2014
Methoxychlor MR 6 2014
Toxaphene MR 6 2014
Diquat MR 6 2014
OXAMYL MR 6 2014
Simazine MR 6 2014
Picloram MR 6 2014
Hexachlorocyclopentadiene MR 6 2014
Atrazine MR 6 2014
2,3,7,8-TCDD MR 6 2014
Heptachlor MR 6 2014
Heptachlor epoxide MR 6 2014

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Adams Mfg Plant 2.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID PA5101035 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Pennsylvania Drinking Water Authority

Pennsylvania DEP, Bureau of Safe Drinking Water is the primacy agency that licenses and inspects Adams Mfg Plant 2 under EPA-delegated authority.

Open PA regulator portal

Source: Pennsylvania DEP, Bureau of Safe Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Revised Total Coliform Rule RPT 2 SDWIS / PA5101035 / 8000
2022 Di(2-ethylhexyl) adipate MR 10 SDWIS / PA5101035 / 2035
2018 Asbestos MR 18 SDWIS / PA5101035 / 1094
2018 Arsenic MR 8 SDWIS / PA5101035 / 1005
2018 Lead and Copper Rule MR 3 SDWIS / PA5101035 / 5000
2016 Barium MR 7 SDWIS / PA5101035 / 1010
2016 Chromium MR 7 SDWIS / PA5101035 / 1020
2016 CYANIDE MR 7 SDWIS / PA5101035 / 1024
2016 Fluoride MR 7 SDWIS / PA5101035 / 1025
2016 Mercury MR 7 SDWIS / PA5101035 / 1035
2016 Nickel MR 7 SDWIS / PA5101035 / 1036
2016 Selenium MR 7 SDWIS / PA5101035 / 1045
2016 Thallium, Total MR 7 SDWIS / PA5101035 / 1085
2016 Cadmium MR 7 SDWIS / PA5101035 / 1015
2016 Beryllium, Total MR 7 SDWIS / PA5101035 / 1075

How Adams Mfg Plant 2 Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Adams Mfg Plant 2 Pennsylvania avg Federal benchmark
Total violations 388 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 3 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 160 1,640 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,701 regulated public water systems in Pennsylvania.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Adams Mfg Plant 2 water safe to drink? ▼
Adams Mfg Plant 2 (PWS ID: PA5101035) has 388 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 160 people using Groundwater sources.
How many people does Adams Mfg Plant 2 serve? ▼
Adams Mfg Plant 2 serves 160 people in Portersville, Pennsylvania. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Adams Mfg Plant 2 have? ▼
Adams Mfg Plant 2 has 388 total violations: 3 health-based violations (MCL exceedances or treatment failures), 381 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Adams Mfg Plant 2 water? ▼
No PFAS testing data is available for Adams Mfg Plant 2 under the EPA's UCMR5 monitoring program.
What water source does Adams Mfg Plant 2 use? ▼
Adams Mfg Plant 2 uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.