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SUBURBAN LOCK HAVEN WATER AUTH

PWS ID: PA4180049 · MILL HALL, Pennsylvania 17751

SUBURBAN LOCK HAVEN WATER AUTH serves 9,700 people in MILL HALL, Pennsylvania using Surface Water water sources. It has 471 recorded EPA violations, including 19 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SUBURBAN LOCK HAVEN WATER AUTH

SUBURBAN LOCK HAVEN WATER AUTH is a local-owned community water system that delivers drinking water to 9,700 residents in MILL HALL, Pennsylvania (Clinton County) through 3,301 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 471 total violations for this system , of which 19 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 401 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 Surface Water Treatment Rule, recorded in 194 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. SUBURBAN LOCK HAVEN WATER AUTH's 471 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
9,700
Total Violations
471
Health-Based Violations
19
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,301
County
Clinton
School/Daycare
No
MCL Violations
5
Monitoring Violations
401
Treatment Tech Violations
14

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 194 2024
Chlorine MR 78 2024
Total Haloacetic Acids (HAA5) MR 47 2023
TTHM MR 47 2023
Consumer Confidence Rule Other 16 2018
Public Notice Other 15 2021
Revised Total Coliform Rule RPT 14 2021
Revised Total Coliform Rule TT 13 2021
Lead and Copper Rule MR 10 2016
Revised Total Coliform Rule MCL 4 2021
Nitrate MR 4 1993
Revised Total Coliform Rule MON 4 2016
Coliform (TCR) MR 2 2015
Chromium MR 2 1984
Barium MR 2 1984
Arsenic MR 2 1984
Mercury MR 2 1984
Fluoride MR 2 1984
Selenium MR 2 1984
Cadmium MR 2 1984
Surface Water Treatment Rule TT 1 1992
Endrin MR 1 1982
Total Haloacetic Acids (HAA5) MCL 1 2012

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFMPA 9/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/25/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 9/25/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFBA 9/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/25/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 9/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 9/25/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 9/25/2024 <9 µg/L 9 µg/L Not Detected
PFOS 9/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 9/25/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHxA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/25/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/18/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 6/18/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 6/18/2024 <0.007 µg/L 0.007 µg/L Not Detected
lithium 6/18/2024 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 6/18/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 6/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 6/18/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFNA 6/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/18/2024 <0.02 µg/L 0.02 µg/L Not Detected
11Cl-PF3OUdS 6/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/18/2024 <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 SUBURBAN LOCK HAVEN WATER 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 PA4180049 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 SUBURBAN LOCK HAVEN WATER 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
2024 Surface Water Treatment Rule MR 194 SDWIS / PA4180049 / 0200
2024 Chlorine MR 78 SDWIS / PA4180049 / 0999
2023 Total Haloacetic Acids (HAA5) MR 47 SDWIS / PA4180049 / 2456
2023 TTHM MR 47 SDWIS / PA4180049 / 2950
2021 Public Notice Other 15 SDWIS / PA4180049 / 7500
2021 Revised Total Coliform Rule RPT 14 SDWIS / PA4180049 / 8000
2021 Revised Total Coliform Rule TT 13 SDWIS / PA4180049 / 8000
2021 Revised Total Coliform Rule MCL 4 SDWIS / PA4180049 / 8000
2018 Consumer Confidence Rule Other 16 SDWIS / PA4180049 / 7000
2016 Lead and Copper Rule MR 10 SDWIS / PA4180049 / 5000
2016 Revised Total Coliform Rule MON 4 SDWIS / PA4180049 / 8000
2015 Coliform (TCR) MR 2 SDWIS / PA4180049 / 3100
2012 Total Haloacetic Acids (HAA5) MCL 1 SDWIS / PA4180049 / 2456
1993 Nitrate MR 4 SDWIS / PA4180049 / 1040
1992 Surface Water Treatment Rule TT 1 SDWIS / PA4180049 / 0200

How SUBURBAN LOCK HAVEN WATER AUTH Compares

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

Metric SUBURBAN LOCK HAVEN WATER AUTH Pennsylvania avg Federal benchmark
Total violations 471 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 19 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 9,700 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 SUBURBAN LOCK HAVEN WATER AUTH water safe to drink? ▼
SUBURBAN LOCK HAVEN WATER AUTH (PWS ID: PA4180049) has 471 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 9,700 people using Surface Water sources.
How many people does SUBURBAN LOCK HAVEN WATER AUTH serve? ▼
SUBURBAN LOCK HAVEN WATER AUTH serves 9,700 people in MILL HALL, Pennsylvania. It is a Local-owned system using Surface Water water sources with 3,301 service connections.
What type of violations does SUBURBAN LOCK HAVEN WATER AUTH have? ▼
SUBURBAN LOCK HAVEN WATER AUTH has 471 total violations: 19 health-based violations (MCL exceedances or treatment failures), 401 monitoring/reporting violations, and 14 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SUBURBAN LOCK HAVEN WATER AUTH water? ▼
No. SUBURBAN LOCK HAVEN WATER AUTH was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does SUBURBAN LOCK HAVEN WATER AUTH use? ▼
SUBURBAN LOCK HAVEN WATER 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