PlainWater
States → Pennsylvania

MUNICIPAL AUTHORITY SUNBURY

PWS ID: PA4490007 · SUNBURY, Pennsylvania 17801

MUNICIPAL AUTHORITY SUNBURY serves 11,043 people in SUNBURY, Pennsylvania using Surface Water water sources. It has 604 recorded EPA violations, including 13 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MUNICIPAL AUTHORITY SUNBURY

MUNICIPAL AUTHORITY SUNBURY is a local-owned community water system that delivers drinking water to 11,043 residents in SUNBURY, Pennsylvania (Northumberland County) through 4,331 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 604 total violations for this system , of which 13 (2%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 570 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 49 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. MUNICIPAL AUTHORITY SUNBURY's 604 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
11,043
Total Violations
604
Health-Based Violations
13
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
4,331
County
Northumberland
School/Daycare
No
MCL Violations
3
Monitoring Violations
570
Treatment Tech Violations
10

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 49 2024
TTHM MR 36 2025
Total Haloacetic Acids (HAA5) MR 30 2025
Chlorine MR 25 2024
Nitrate MR 14 2023
cis-1,2-Dichloroethylene MR 13 2020
1,1,2-Trichloroethane MR 13 2020
1,2,4-Trichlorobenzene MR 11 2020
Xylenes, Total MR 11 2020
DICHLOROMETHANE MR 11 2020
1,1-Dichloroethylene MR 11 2020
trans-1,2-Dichloroethylene MR 11 2020
1,2-Dichloroethane MR 11 2020
Carbon tetrachloride MR 11 2020
1,2-Dichloropropane MR 11 2020
Trichloroethylene MR 11 2020
CHLOROBENZENE MR 11 2020
Benzene MR 11 2020
Toluene MR 11 2020
Styrene MR 11 2020
1,1,1-Trichloroethane MR 11 2020
Tetrachloroethylene MR 11 2020
o-Dichlorobenzene MR 11 2020
Ethylbenzene MR 11 2020
p-Dichlorobenzene MR 11 2020
CYANIDE MR 10 2023
Arsenic MR 8 2017
Barium MR 8 2017
Cadmium MR 8 2017
Chromium MR 8 2017

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFBA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/14/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFOS 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/14/2024 <9 µg/L 9 µg/L Not Detected
PFDoA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/14/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFUnA 8/14/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFMPA 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 8/14/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 8/14/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFHpS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/14/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/15/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/15/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 5/15/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/15/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/15/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/15/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFMBA 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 5/15/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFPeS 5/15/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 5/15/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 5/15/2024 <9 µg/L 9 µg/L Not Detected
PFTA 5/15/2024 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 5/15/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/15/2024 <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 MUNICIPAL AUTHORITY SUNBURY.

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 PA4490007 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 MUNICIPAL AUTHORITY SUNBURY 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 TTHM MR 36 SDWIS / PA4490007 / 2950
2025 Total Haloacetic Acids (HAA5) MR 30 SDWIS / PA4490007 / 2456
2024 Surface Water Treatment Rule MR 49 SDWIS / PA4490007 / 0200
2024 Chlorine MR 25 SDWIS / PA4490007 / 0999
2023 Nitrate MR 14 SDWIS / PA4490007 / 1040
2023 CYANIDE MR 10 SDWIS / PA4490007 / 1024
2023 Nitrite MR 4 SDWIS / PA4490007 / 1041
2022 Revised Total Coliform Rule RPT 7 SDWIS / PA4490007 / 8000
2022 Public Notice Other 7 SDWIS / PA4490007 / 7500
2022 Lead and Copper Rule MR 4 SDWIS / PA4490007 / 5000
2022 Revised Total Coliform Rule TT 4 SDWIS / PA4490007 / 8000
2020 cis-1,2-Dichloroethylene MR 13 SDWIS / PA4490007 / 2380
2020 1,1,2-Trichloroethane MR 13 SDWIS / PA4490007 / 2985
2020 1,2,4-Trichlorobenzene MR 11 SDWIS / PA4490007 / 2378
2020 Xylenes, Total MR 11 SDWIS / PA4490007 / 2955

How MUNICIPAL AUTHORITY SUNBURY Compares

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

Metric MUNICIPAL AUTHORITY SUNBURY Pennsylvania avg Federal benchmark
Total violations 604 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 13 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 11,043 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 MUNICIPAL AUTHORITY SUNBURY water safe to drink? ▼
MUNICIPAL AUTHORITY SUNBURY (PWS ID: PA4490007) has 604 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 11,043 people using Surface Water sources.
How many people does MUNICIPAL AUTHORITY SUNBURY serve? ▼
MUNICIPAL AUTHORITY SUNBURY serves 11,043 people in SUNBURY, Pennsylvania. It is a Local-owned system using Surface Water water sources with 4,331 service connections.
What type of violations does MUNICIPAL AUTHORITY SUNBURY have? ▼
MUNICIPAL AUTHORITY SUNBURY has 604 total violations: 13 health-based violations (MCL exceedances or treatment failures), 570 monitoring/reporting violations, and 10 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MUNICIPAL AUTHORITY SUNBURY water? ▼
No. MUNICIPAL AUTHORITY SUNBURY was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does MUNICIPAL AUTHORITY SUNBURY use? ▼
MUNICIPAL AUTHORITY SUNBURY 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.

Explore PlainWater

Water in Pennsylvania

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for Pennsylvania

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
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.

Related

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