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CORNERSTONE CARE

PWS ID: PA5630838 · BURGETTSTOWN, Pennsylvania 15021

CORNERSTONE CARE serves 100 people in BURGETTSTOWN, Pennsylvania using Groundwater water sources. It has 1,131 recorded EPA violations, including 181 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CORNERSTONE CARE

CORNERSTONE CARE is a private-owned non-transient non-community water system that delivers drinking water to 100 residents in BURGETTSTOWN, Pennsylvania (Washington County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 1,131 total violations for this system , of which 181 (16%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 824 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 Fluoride, recorded in 177 violations (MCL, health-based). 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. CORNERSTONE CARE's 1,131 violations sit above the Pennsylvania average. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%). 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
100
Total Violations
1,131
Health-Based Violations
181
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Washington
School/Daycare
No
MCL Violations
177
Monitoring Violations
824
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Fluoride MCL 177 2025
Public Notice Other 126 2025
Chlorine MR 76 2018
Fluoride MR 29 2019
Coliform (TCR) MR 16 2013
Cadmium MR 15 2009
Chromium MR 15 2009
Beryllium, Total MR 15 2009
Thallium, Total MR 15 2009
Barium MR 15 2009
Mercury MR 15 2009
Nickel MR 15 2009
Selenium MR 15 2009
Antimony, Total MR 15 2009
CYANIDE MR 15 2009
Total Haloacetic Acids (HAA5) MR 12 2025
TTHM MR 12 2025
Arsenic MR 11 2009
o-Dichlorobenzene MR 11 2013
p-Dichlorobenzene MR 11 2013
1,2-Dichloroethane MR 11 2013
1,1,1-Trichloroethane MR 11 2013
Carbon tetrachloride MR 11 2013
Xylenes, Total MR 11 2013
trans-1,2-Dichloroethylene MR 11 2013
DICHLOROMETHANE MR 11 2013
cis-1,2-Dichloroethylene MR 11 2013
1,1-Dichloroethylene MR 11 2013
Endrin MR 10 2016
BHC-GAMMA MR 10 2016

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 CORNERSTONE CARE.

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 PA5630838 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 CORNERSTONE CARE 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 Fluoride MCL 177 SDWIS / PA5630838 / 1025
2025 Public Notice Other 126 SDWIS / PA5630838 / 7500
2025 Total Haloacetic Acids (HAA5) MR 12 SDWIS / PA5630838 / 2456
2025 TTHM MR 12 SDWIS / PA5630838 / 2950
2019 Fluoride MR 29 SDWIS / PA5630838 / 1025
2018 Chlorine MR 76 SDWIS / PA5630838 / 0999
2016 Endrin MR 10 SDWIS / PA5630838 / 2005
2016 BHC-GAMMA MR 10 SDWIS / PA5630838 / 2010
2016 Methoxychlor MR 10 SDWIS / PA5630838 / 2015
2016 Toxaphene MR 10 SDWIS / PA5630838 / 2020
2016 Dalapon MR 10 SDWIS / PA5630838 / 2031
2016 Diquat MR 10 SDWIS / PA5630838 / 2032
2016 Endothall MR 10 SDWIS / PA5630838 / 2033
2016 Di(2-ethylhexyl) adipate MR 10 SDWIS / PA5630838 / 2035
2016 OXAMYL MR 10 SDWIS / PA5630838 / 2036

How CORNERSTONE CARE Compares

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

Metric CORNERSTONE CARE Pennsylvania avg Federal benchmark
Total violations 1,131 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 181 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 100 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is CORNERSTONE CARE water safe to drink? ▼
CORNERSTONE CARE (PWS ID: PA5630838) has 1131 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does CORNERSTONE CARE serve? ▼
CORNERSTONE CARE serves 100 people in BURGETTSTOWN, Pennsylvania. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does CORNERSTONE CARE have? ▼
CORNERSTONE CARE has 1,131 total violations: 181 health-based violations (MCL exceedances or treatment failures), 824 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CORNERSTONE CARE water? ▼
No PFAS testing data is available for CORNERSTONE CARE under the EPA's UCMR5 monitoring program.
What water source does CORNERSTONE CARE use? ▼
CORNERSTONE CARE 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.

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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.

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