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MT JOY BORO AUTH

PWS ID: PA7360091 · MOUNT JOY, Pennsylvania 17552

MT JOY BORO AUTH serves 15,261 people in MOUNT JOY, Pennsylvania using Surface Water water sources. It has 248 recorded EPA violations, including 10 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: MT JOY BORO AUTH

MT JOY BORO AUTH is a local-owned community water system that delivers drinking water to 15,261 residents in MOUNT JOY, Pennsylvania (Lancaster County) through 5,181 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 248 total violations for this system , of which 10 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 229 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 23 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 0.0033 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. MT JOY BORO AUTH's 248 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.

PFAS Detected

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

Population Served
15,261
Total Violations
248
Health-Based Violations
10
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
5,181
County
Lancaster
School/Daycare
No
MCL Violations
10
Monitoring Violations
229
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 23 2006
Nitrate MCL 7 1989
Total Haloacetic Acids (HAA5) MR 5 2023
Interim Enhanced Surface Water Treatment Rule MR 5 2019
Arsenic MR 5 1994
Barium MR 5 1994
Cadmium MR 5 1994
Chromium MR 5 1994
Fluoride MR 5 1994
Selenium MR 5 1994
Mercury MR 5 1994
Consumer Confidence Rule Other 4 2004
Chlorine MR 4 2006
TTHM MR 4 2023
Endrin MR 4 2014
Toxaphene MR 4 2014
2,4-D MR 4 2014
2,4,5-TP MR 4 2014
Lead and Copper Rule MR 4 1994
Beryllium, Total MR 4 1994
Thallium, Total MR 4 1994
Nickel MR 4 1994
Antimony, Total MR 4 1994
Methoxychlor MR 4 2014
BHC-GAMMA MR 4 2014
CYANIDE MR 4 1994
Dalapon MR 3 2014
Endothall MR 3 2014
Glyphosate MR 3 2014
Di(2-ethylhexyl) adipate MR 3 2014

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
PFDoA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/20/2024 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 8/20/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 8/20/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFUnA 8/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 8/20/2024 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/20/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFEESA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 8/20/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/20/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFOS 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/20/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHxA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 8/20/2024 <9 µg/L 9 µg/L Not Detected
8:2 FTS 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/20/2024 <0.003 µg/L 0.003 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 MT JOY BORO AUTH.

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 PA7360091 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 MT JOY BORO AUTH 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
2023 Total Haloacetic Acids (HAA5) MR 5 SDWIS / PA7360091 / 2456
2023 TTHM MR 4 SDWIS / PA7360091 / 2950
2019 Interim Enhanced Surface Water Treatment Rule MR 5 SDWIS / PA7360091 / 0300
2014 Endrin MR 4 SDWIS / PA7360091 / 2005
2014 Toxaphene MR 4 SDWIS / PA7360091 / 2020
2014 2,4-D MR 4 SDWIS / PA7360091 / 2105
2014 2,4,5-TP MR 4 SDWIS / PA7360091 / 2110
2014 Methoxychlor MR 4 SDWIS / PA7360091 / 2015
2014 BHC-GAMMA MR 4 SDWIS / PA7360091 / 2010
2014 Dalapon MR 3 SDWIS / PA7360091 / 2031
2014 Endothall MR 3 SDWIS / PA7360091 / 2033
2014 Glyphosate MR 3 SDWIS / PA7360091 / 2034
2014 Di(2-ethylhexyl) adipate MR 3 SDWIS / PA7360091 / 2035
2014 OXAMYL MR 3 SDWIS / PA7360091 / 2036
2014 Di(2-ethylhexyl) phthalate MR 3 SDWIS / PA7360091 / 2039

How MT JOY BORO AUTH Compares

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

Metric MT JOY BORO AUTH Pennsylvania avg Federal benchmark
Total violations 248 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 10 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 15,261 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 MT JOY BORO AUTH water safe to drink? ▼
MT JOY BORO AUTH (PWS ID: PA7360091) has 248 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 15,261 people using Surface Water sources.
How many people does MT JOY BORO AUTH serve? ▼
MT JOY BORO AUTH serves 15,261 people in MOUNT JOY, Pennsylvania. It is a Local-owned system using Surface Water water sources with 5,181 service connections.
What type of violations does MT JOY BORO AUTH have? ▼
MT JOY BORO AUTH has 248 total violations: 10 health-based violations (MCL exceedances or treatment failures), 229 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MT JOY BORO AUTH water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in MT JOY BORO AUTH's water supply: PFPeA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does MT JOY BORO AUTH use? ▼
MT JOY BORO AUTH 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