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MARIANNA MUNI WATER WORKS

PWS ID: PA5630050 · MARIANNA, Pennsylvania 15345

MARIANNA MUNI WATER WORKS serves 480 people in MARIANNA, Pennsylvania using Surface Water water sources. It has 389 recorded EPA violations, including 117 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MARIANNA MUNI WATER WORKS

MARIANNA MUNI WATER WORKS is a local-owned community water system that delivers drinking water to 480 residents in MARIANNA, Pennsylvania (Washington County) through 215 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 389 total violations for this system , of which 117 (30%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 128 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 TTHM, recorded in 111 violations (MCL, health-based). 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. MARIANNA MUNI WATER WORKS's 389 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
480
Total Violations
389
Health-Based Violations
117
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
215
County
Washington
School/Daycare
No
MCL Violations
113
Monitoring Violations
128
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 111 2017
Public Notice Other 104 2020
Consumer Confidence Rule Other 35 2025
Surface Water Treatment Rule MR 32 2024
Chlorine MR 16 2024
Total Haloacetic Acids (HAA5) MR 12 2020
CARBON, TOTAL MR 12 2009
TTHM MR 11 2020
Interim Enhanced Surface Water Treatment Rule MR 9 2013
Revised Total Coliform Rule MON 8 2021
Arsenic MR 3 2013
Mercury MR 3 2013
Selenium MR 3 2013
Gross Alpha, Excl. Radon and U MR 3 1988
1,2-Dichloropropane MR 2 2001
CYANIDE MR 2 2013
Thallium, Total MR 2 2013
Revised Total Coliform Rule MCL 2 2017
Revised Total Coliform Rule TT 2 2017
Revised Total Coliform Rule RPT 2 2017
Surface Water Treatment Rule TT 2 1991
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2008
Antimony, Total MR 2 2013
Chromium MR 1 1984
Nitrate MR 1 1984
Fluoride MR 1 1984
Cadmium MR 1 1984
Endrin MR 1 1982
Barium MR 1 1984

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 MARIANNA MUNI WATER WORKS.

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 PA5630050 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 MARIANNA MUNI WATER WORKS 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 Consumer Confidence Rule Other 35 SDWIS / PA5630050 / 7000
2024 Surface Water Treatment Rule MR 32 SDWIS / PA5630050 / 0200
2024 Chlorine MR 16 SDWIS / PA5630050 / 0999
2021 Revised Total Coliform Rule MON 8 SDWIS / PA5630050 / 8000
2020 Public Notice Other 104 SDWIS / PA5630050 / 7500
2020 Total Haloacetic Acids (HAA5) MR 12 SDWIS / PA5630050 / 2456
2020 TTHM MR 11 SDWIS / PA5630050 / 2950
2017 TTHM MCL 111 SDWIS / PA5630050 / 2950
2017 Revised Total Coliform Rule MCL 2 SDWIS / PA5630050 / 8000
2017 Revised Total Coliform Rule TT 2 SDWIS / PA5630050 / 8000
2017 Revised Total Coliform Rule RPT 2 SDWIS / PA5630050 / 8000
2013 Interim Enhanced Surface Water Treatment Rule MR 9 SDWIS / PA5630050 / 0300
2013 Arsenic MR 3 SDWIS / PA5630050 / 1005
2013 Mercury MR 3 SDWIS / PA5630050 / 1035
2013 Selenium MR 3 SDWIS / PA5630050 / 1045

How MARIANNA MUNI WATER WORKS Compares

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

Metric MARIANNA MUNI WATER WORKS Pennsylvania avg Federal benchmark
Total violations 389 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 117 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 480 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 MARIANNA MUNI WATER WORKS water safe to drink? ▼
MARIANNA MUNI WATER WORKS (PWS ID: PA5630050) has 389 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 480 people using Surface Water sources.
How many people does MARIANNA MUNI WATER WORKS serve? ▼
MARIANNA MUNI WATER WORKS serves 480 people in MARIANNA, Pennsylvania. It is a Local-owned system using Surface Water water sources with 215 service connections.
What type of violations does MARIANNA MUNI WATER WORKS have? ▼
MARIANNA MUNI WATER WORKS has 389 total violations: 117 health-based violations (MCL exceedances or treatment failures), 128 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MARIANNA MUNI WATER WORKS water? ▼
No PFAS testing data is available for MARIANNA MUNI WATER WORKS under the EPA's UCMR5 monitoring program.
What water source does MARIANNA MUNI WATER WORKS use? ▼
MARIANNA MUNI WATER WORKS 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. This data is provided for informational purposes only.

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

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