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ST CORNELIUS RCC SCHOOL BLDG

PWS ID: PA1230361 · CHADDS FORD, Pennsylvania 19317

ST CORNELIUS RCC SCHOOL BLDG serves 300 people in CHADDS FORD, Pennsylvania using Groundwater water sources. It has 344 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ST CORNELIUS RCC SCHOOL BLDG

ST CORNELIUS RCC SCHOOL BLDG is a private-owned non-transient non-community water system that delivers drinking water to 300 residents in CHADDS FORD, Pennsylvania (Delaware County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 344 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 344 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Nitrate, recorded in 15 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. ST CORNELIUS RCC SCHOOL BLDG's 344 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
300
Total Violations
344
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Delaware
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
344
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 15 2005
Chlorine MR 14 2018
1,2,4-Trichlorobenzene MR 12 2021
cis-1,2-Dichloroethylene MR 12 2021
Xylenes, Total MR 12 2021
o-Dichlorobenzene MR 12 2021
p-Dichlorobenzene MR 12 2021
1,2-Dichloroethane MR 12 2021
1,2-Dichloropropane MR 12 2021
Trichloroethylene MR 12 2021
1,1,2-Trichloroethane MR 12 2021
Tetrachloroethylene MR 12 2021
Toluene MR 12 2021
Ethylbenzene MR 12 2021
Styrene MR 12 2021
1,1-Dichloroethylene MR 12 2021
Benzene MR 12 2021
DICHLOROMETHANE MR 12 2021
trans-1,2-Dichloroethylene MR 12 2021
1,1,1-Trichloroethane MR 12 2021
Carbon tetrachloride MR 12 2021
CHLOROBENZENE MR 12 2021
Coliform (TCR) MR 9 2003
Lead and Copper Rule MR 7 2011
Thallium, Total MR 6 2009
Fluoride MR 4 2003
Nickel MR 4 2003
Selenium MR 4 2003
Antimony, Total MR 4 2003
Barium MR 4 2003

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 ST CORNELIUS RCC SCHOOL BLDG.

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 PA1230361 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 ST CORNELIUS RCC SCHOOL BLDG 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
2021 1,2,4-Trichlorobenzene MR 12 SDWIS / PA1230361 / 2378
2021 cis-1,2-Dichloroethylene MR 12 SDWIS / PA1230361 / 2380
2021 Xylenes, Total MR 12 SDWIS / PA1230361 / 2955
2021 o-Dichlorobenzene MR 12 SDWIS / PA1230361 / 2968
2021 p-Dichlorobenzene MR 12 SDWIS / PA1230361 / 2969
2021 1,2-Dichloroethane MR 12 SDWIS / PA1230361 / 2980
2021 1,2-Dichloropropane MR 12 SDWIS / PA1230361 / 2983
2021 Trichloroethylene MR 12 SDWIS / PA1230361 / 2984
2021 1,1,2-Trichloroethane MR 12 SDWIS / PA1230361 / 2985
2021 Tetrachloroethylene MR 12 SDWIS / PA1230361 / 2987
2021 Toluene MR 12 SDWIS / PA1230361 / 2991
2021 Ethylbenzene MR 12 SDWIS / PA1230361 / 2992
2021 Styrene MR 12 SDWIS / PA1230361 / 2996
2021 1,1-Dichloroethylene MR 12 SDWIS / PA1230361 / 2977
2021 Benzene MR 12 SDWIS / PA1230361 / 2990

How ST CORNELIUS RCC SCHOOL BLDG Compares

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

Metric ST CORNELIUS RCC SCHOOL BLDG Pennsylvania avg Federal benchmark
Total violations 344 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 300 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 ST CORNELIUS RCC SCHOOL BLDG water safe to drink?
ST CORNELIUS RCC SCHOOL BLDG (PWS ID: PA1230361) has 344 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does ST CORNELIUS RCC SCHOOL BLDG serve?
ST CORNELIUS RCC SCHOOL BLDG serves 300 people in CHADDS FORD, Pennsylvania. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does ST CORNELIUS RCC SCHOOL BLDG have?
ST CORNELIUS RCC SCHOOL BLDG has 344 total violations: 0 health-based violations (MCL exceedances or treatment failures), 344 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ST CORNELIUS RCC SCHOOL BLDG water?
No PFAS testing data is available for ST CORNELIUS RCC SCHOOL BLDG under the EPA's UCMR5 monitoring program.
What water source does ST CORNELIUS RCC SCHOOL BLDG use?
ST CORNELIUS RCC SCHOOL BLDG 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.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial