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Community Water System · PWS PA7380007

Borough of Cornwall

Lebanon, Pennsylvania 17042 - drinking water served from surface water sources to 3,343 people, tracked in EPA SDWIS and UCMR5.

3,343
People served
46
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 46 drinking-water violations at Borough of Cornwall, 2% of them health-based - below the Pennsylvania per-system average.

46
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
3,343
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Borough of Cornwall

Borough of Cornwall is a local-owned community water system that delivers drinking water to 3,343 residents in Lebanon, Pennsylvania (Lebanon County) through 1,653 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 46 total violations for this system , of which 1 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 41 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 7 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%).

Borough of Cornwall's 46 violations sit below 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
3,343
Total Violations
46
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,653
County
Lebanon
School/Daycare
No
MCL Violations
0
Monitoring Violations
41
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 7 2016
Chlorine MR 5 2020
Surface Water Treatment Rule MR 5 2020
Nitrate MR 5 1993
TTHM MR 4 2024
Revised Total Coliform Rule MON 3 2021
Total Haloacetic Acids (HAA5) MR 2 2024
Chromium MR 2 1986
Fluoride MR 2 1986
Revised Total Coliform Rule RPT 2 2017
Surface Water Treatment Rule TT 1 1992
Arsenic MR 1 1984
Barium MR 1 1984
Selenium MR 1 1984
Mercury MR 1 1984
Endrin MR 1 1982
Cadmium MR 1 1984
Consumer Confidence Rule Other 1 2000

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 Borough of Cornwall.

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 PA7380007 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 Borough of Cornwall 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
2024 TTHM MR 4 SDWIS / PA7380007 / 2950
2024 Total Haloacetic Acids (HAA5) MR 2 SDWIS / PA7380007 / 2456
2021 Revised Total Coliform Rule MON 3 SDWIS / PA7380007 / 8000
2020 Chlorine MR 5 SDWIS / PA7380007 / 0999
2020 Surface Water Treatment Rule MR 5 SDWIS / PA7380007 / 0200
2017 Revised Total Coliform Rule RPT 2 SDWIS / PA7380007 / 8000
2016 Coliform (TCR) MR 7 SDWIS / PA7380007 / 3100
2000 Consumer Confidence Rule Other 1 SDWIS / PA7380007 / 7000
1993 Nitrate MR 5 SDWIS / PA7380007 / 1040
1992 Surface Water Treatment Rule TT 1 SDWIS / PA7380007 / 0200
1986 Chromium MR 2 SDWIS / PA7380007 / 1020
1986 Fluoride MR 2 SDWIS / PA7380007 / 1025
1984 Arsenic MR 1 SDWIS / PA7380007 / 1005
1984 Barium MR 1 SDWIS / PA7380007 / 1010
1984 Selenium MR 1 SDWIS / PA7380007 / 1045

How Borough of Cornwall Compares

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

Metric Borough of Cornwall Pennsylvania avg Federal benchmark
Total violations 46 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 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 3,343 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 Borough of Cornwall water safe to drink? ▼
Borough of Cornwall (PWS ID: PA7380007) has 46 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,343 people using Surface Water sources.
How many people does Borough of Cornwall serve? ▼
Borough of Cornwall serves 3,343 people in Lebanon, Pennsylvania. It is a Local-owned system using Surface Water water sources with 1,653 service connections.
What type of violations does Borough of Cornwall have? ▼
Borough of Cornwall has 46 total violations: 1 health-based violations (MCL exceedances or treatment failures), 41 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Borough of Cornwall water? ▼
No PFAS testing data is available for Borough of Cornwall under the EPA's UCMR5 monitoring program.
What water source does Borough of Cornwall use? ▼
Borough of Cornwall uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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.