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Community Water System · PWS PA7360119

Terre Hill Borough

East Earl, Pennsylvania 17519 - drinking water served from groundwater sources to 1,295 people, tracked in EPA SDWIS and UCMR5.

1,295
People served
219
EPA violations
14
Health-based
Untested
UCMR5 result

The verdict

EPA records 219 drinking-water violations at Terre Hill Borough, 6% of them health-based - above the Pennsylvania per-system average.

219
Total EPA violations on record
6%
Health-based (MCL / treatment failure)
1,295
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Terre Hill Borough

Terre Hill Borough is a local-owned community water system that delivers drinking water to 1,295 residents in East Earl, Pennsylvania (Lancaster County) through 659 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 219 total violations for this system , of which 14 (6%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 180 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 Nitrate, recorded in 43 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%).

Terre Hill Borough's 219 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
1,295
Total Violations
219
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
659
County
Lancaster
School/Daycare
No
MCL Violations
14
Monitoring Violations
180
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 43 2018
Nitrite MR 27 2018
Chlorine MR 19 2016
Radium-228 MR 17 2017
Consumer Confidence Rule Other 14 2017
Radium-226 MR 12 2017
Groundwater Rule MR 8 2024
Coliform (TCR) MCL 8 1993
Lead and Copper Rule MR 7 2018
Cadmium MR 5 1995
Coliform (TCR) MR 4 2006
Nitrate MCL 4 2011
Arsenic MR 3 1994
Chromium MR 3 1994
Fluoride MR 3 1994
Mercury MR 3 1994
Selenium MR 3 1994
Antimony, Total MR 3 1994
Barium MR 3 1994
Beryllium, Total MR 3 1994
Nickel MR 3 1994
CYANIDE MR 3 1994
Thallium, Total MR 3 1994
Revised Total Coliform Rule MON 2 2020
Cadmium MCL 2 1995
Public Notice Other 2 2006
Gross Alpha, Excl. Radon and U MR 1 1976
Total Haloacetic Acids (HAA5) MR 1 2017
TTHM MR 1 2017

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 Terre Hill Borough.

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 PA7360119 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 Terre Hill Borough 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 Groundwater Rule MR 8 SDWIS / PA7360119 / 0700
2020 Revised Total Coliform Rule MON 2 SDWIS / PA7360119 / 8000
2018 Nitrate MR 43 SDWIS / PA7360119 / 1040
2018 Nitrite MR 27 SDWIS / PA7360119 / 1041
2018 Lead and Copper Rule MR 7 SDWIS / PA7360119 / 5000
2017 Radium-228 MR 17 SDWIS / PA7360119 / 4030
2017 Consumer Confidence Rule Other 14 SDWIS / PA7360119 / 7000
2017 Radium-226 MR 12 SDWIS / PA7360119 / 4020
2017 Total Haloacetic Acids (HAA5) MR 1 SDWIS / PA7360119 / 2456
2017 TTHM MR 1 SDWIS / PA7360119 / 2950
2016 Chlorine MR 19 SDWIS / PA7360119 / 0999
2011 Nitrate MCL 4 SDWIS / PA7360119 / 1040
2006 Coliform (TCR) MR 4 SDWIS / PA7360119 / 3100
2006 Public Notice Other 2 SDWIS / PA7360119 / 7500
1995 Cadmium MR 5 SDWIS / PA7360119 / 1015

How Terre Hill Borough Compares

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

Metric Terre Hill Borough Pennsylvania avg Federal benchmark
Total violations 219 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 14 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 1,295 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 Terre Hill Borough water safe to drink? ▼
Terre Hill Borough (PWS ID: PA7360119) has 219 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,295 people using Groundwater sources.
How many people does Terre Hill Borough serve? ▼
Terre Hill Borough serves 1,295 people in East Earl, Pennsylvania. It is a Local-owned system using Groundwater water sources with 659 service connections.
What type of violations does Terre Hill Borough have? ▼
Terre Hill Borough has 219 total violations: 14 health-based violations (MCL exceedances or treatment failures), 180 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Terre Hill Borough water? ▼
No PFAS testing data is available for Terre Hill Borough under the EPA's UCMR5 monitoring program.
What water source does Terre Hill Borough use? ▼
Terre Hill Borough uses Groundwater 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.