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EAST PETERSBURG BOROUGH

PWS ID: PA7360135 · EAST PETERSBURG, Pennsylvania 17520

EAST PETERSBURG BOROUGH serves 6,215 people in EAST PETERSBURG, Pennsylvania using Surface Water water sources. It has 107 recorded EPA violations, including 15 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (7 compounds found).

Water Quality Snapshot: EAST PETERSBURG BOROUGH

EAST PETERSBURG BOROUGH is a local-owned community water system that delivers drinking water to 6,215 residents in EAST PETERSBURG, Pennsylvania (Lancaster County) through 1,742 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 107 total violations for this system , of which 15 (14%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 85 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 Surface Water Treatment Rule, recorded in 22 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 7 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 0.0152 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. EAST PETERSBURG BOROUGH's 107 violations sit below 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.

PFAS Detected

7 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
6,215
Total Violations
107
Health-Based Violations
15
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,742
County
Lancaster
School/Daycare
No
MCL Violations
6
Monitoring Violations
85
Treatment Tech Violations
9

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 22 2025
2,3,7,8-TCDD MR 9 2018
Hexachlorocyclopentadiene MR 8 2016
Atrazine MR 8 2016
Chlorine MR 7 2007
Surface Water Treatment Rule TT 7 2021
Nitrate MR 6 2009
Nitrate MCL 6 1987
Coliform (TCR) MR 4 2008
Di(2-ethylhexyl) phthalate MR 4 2016
2,4-D MR 3 2005
Public Notice Other 3 2021
Picloram MR 2 2005
LASSO MR 2 2005
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2005
ETHYLENE DIBROMIDE MR 2 2005
Groundwater Rule TT 2 2010
Methoxychlor MR 1 1982
2,4,5-TP MR 1 1982
Toxaphene MR 1 1982
Lead and Copper Rule MR 1 1998
Endrin MR 1 1982
BHC-GAMMA MR 1 1982

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 34 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFMPA 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/23/2024 0.0051 µg/L 0.004 µg/L Detected
HFPO-DA 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/23/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 9/23/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 9/23/2024 0.0053 µg/L 0.004 µg/L Detected
11Cl-PF3OUdS 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 9/23/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 9/23/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 9/23/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFMBA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/23/2024 0.0063 µg/L 0.003 µg/L Detected
NFDHA 9/23/2024 <0.02 µg/L 0.02 µg/L Not Detected
6:2 FTS 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 9/23/2024 <9 µg/L 9 µg/L Not Detected
PFPeA 9/23/2024 0.0067 µg/L 0.003 µg/L Detected
PFHxS 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/23/2024 0.0048 µg/L 0.003 µg/L Detected
PFHpS 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/23/2024 0.0032 µg/L 0.003 µg/L Detected
PFBA 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 9/23/2024 0.0116 µg/L 0.004 µg/L Detected
PFOA 9/23/2024 0.0062 µg/L 0.004 µg/L Detected
PFDA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 9/23/2024 0.0045 µg/L 0.003 µg/L Detected
PFUnA 9/23/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/23/2024 <0.002 µg/L 0.002 µg/L Not Detected
NMeFOSAA 9/23/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFPeS 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 9/23/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/23/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected

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 EAST PETERSBURG 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 PA7360135 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 EAST PETERSBURG 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
2025 Surface Water Treatment Rule MR 22 SDWIS / PA7360135 / 0200
2021 Surface Water Treatment Rule TT 7 SDWIS / PA7360135 / 0200
2021 Public Notice Other 3 SDWIS / PA7360135 / 7500
2018 2,3,7,8-TCDD MR 9 SDWIS / PA7360135 / 2063
2016 Hexachlorocyclopentadiene MR 8 SDWIS / PA7360135 / 2042
2016 Atrazine MR 8 SDWIS / PA7360135 / 2050
2016 Di(2-ethylhexyl) phthalate MR 4 SDWIS / PA7360135 / 2039
2010 Groundwater Rule TT 2 SDWIS / PA7360135 / 0700
2009 Nitrate MR 6 SDWIS / PA7360135 / 1040
2008 Coliform (TCR) MR 4 SDWIS / PA7360135 / 3100
2007 Chlorine MR 7 SDWIS / PA7360135 / 0999
2005 2,4-D MR 3 SDWIS / PA7360135 / 2105
2005 Picloram MR 2 SDWIS / PA7360135 / 2040
2005 LASSO MR 2 SDWIS / PA7360135 / 2051
2005 1,2-DIBROMO-3-CHLOROPROPANE MR 2 SDWIS / PA7360135 / 2931

How EAST PETERSBURG BOROUGH Compares

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

Metric EAST PETERSBURG BOROUGH Pennsylvania avg Federal benchmark
Total violations 107 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 15 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection 7 compounds 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 6,215 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 EAST PETERSBURG BOROUGH water safe to drink? ▼
EAST PETERSBURG BOROUGH (PWS ID: PA7360135) has 107 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 7 PFAS compounds found. This system serves 6,215 people using Surface Water sources.
How many people does EAST PETERSBURG BOROUGH serve? ▼
EAST PETERSBURG BOROUGH serves 6,215 people in EAST PETERSBURG, Pennsylvania. It is a Local-owned system using Surface Water water sources with 1,742 service connections.
What type of violations does EAST PETERSBURG BOROUGH have? ▼
EAST PETERSBURG BOROUGH has 107 total violations: 15 health-based violations (MCL exceedances or treatment failures), 85 monitoring/reporting violations, and 9 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in EAST PETERSBURG BOROUGH water? ▼
Yes. UCMR5 testing detected 7 PFAS compounds in EAST PETERSBURG BOROUGH's water supply: PFOS, PFOA, PFHxA, PFPeA, PFBS, and others. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does EAST PETERSBURG BOROUGH use? ▼
EAST PETERSBURG BOROUGH 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

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

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