PlainWater
States → Pennsylvania

PA AMERICAN NORRISTOWN

PWS ID: PA1460046 · NORRISTOWN, Pennsylvania 19401

PA AMERICAN NORRISTOWN serves 88,885 people in NORRISTOWN, Pennsylvania using Surface Water water sources. It has 92 recorded EPA violations, including 0 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (5 compounds found).

Water Quality Snapshot: PA AMERICAN NORRISTOWN

PA AMERICAN NORRISTOWN is a private-owned community water system that delivers drinking water to 88,885 residents in NORRISTOWN, Pennsylvania (Montgomery County) through 32,857 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 92 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 88 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 1,2,4-Trichlorobenzene, recorded in 4 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 5 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 16.2 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. PA AMERICAN NORRISTOWN's 92 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

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

Population Served
88,885
Total Violations
92
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
32,857
County
Montgomery
School/Daycare
No
MCL Violations
0
Monitoring Violations
88
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,2,4-Trichlorobenzene MR 4 2019
cis-1,2-Dichloroethylene MR 4 2019
Xylenes, Total MR 4 2019
DICHLOROMETHANE MR 4 2019
1,1-Dichloroethylene MR 4 2019
trans-1,2-Dichloroethylene MR 4 2019
1,1,1-Trichloroethane MR 4 2019
Carbon tetrachloride MR 4 2019
Tetrachloroethylene MR 4 2019
Styrene MR 4 2019
Interim Enhanced Surface Water Treatment Rule MR 4 2024
Trichloroethylene MR 4 2019
Ethylbenzene MR 4 2019
o-Dichlorobenzene MR 4 2019
CHLOROBENZENE MR 4 2019
1,1,2-Trichloroethane MR 4 2019
p-Dichlorobenzene MR 4 2019
1,2-Dichloropropane MR 4 2019
Benzene MR 4 2019
Toluene MR 4 2019
1,2-Dichloroethane MR 4 2019
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2009
Consumer Confidence Rule Other 1 2002
Lead and Copper Rule MR 1 1992
CARBON, TOTAL MR 1 2021

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 10 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
8:2 FTS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 7/9/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/9/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/9/2024 <0.006 µg/L 0.006 µg/L Not Detected
HFPO-DA 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/9/2024 0.0070 µg/L 0.005 µg/L Detected
ADONA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 7/9/2024 0.0069 µg/L 0.003 µg/L Detected
PFMPA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/9/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/9/2024 11.4000 µg/L 9 µg/L Detected
9Cl-PF3ONS 7/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHpA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/9/2024 0.0050 µg/L 0.003 µg/L Detected
PFUnA 7/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 7/9/2024 0.0048 µg/L 0.003 µg/L Detected
11Cl-PF3OUdS 4/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 4/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 4/4/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 4/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 4/4/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 4/4/2024 <9 µg/L 9 µg/L Not Detected
PFHpA 4/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 4/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 4/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 4/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 4/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 4/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 4/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 4/4/2024 <0.008 µg/L 0.008 µg/L Not Detected
9Cl-PF3ONS 4/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 4/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 4/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 4/4/2024 <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 PA AMERICAN NORRISTOWN.

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 PA1460046 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 PA AMERICAN NORRISTOWN 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 Interim Enhanced Surface Water Treatment Rule MR 4 SDWIS / PA1460046 / 0300
2021 CARBON, TOTAL MR 1 SDWIS / PA1460046 / 2920
2019 1,2,4-Trichlorobenzene MR 4 SDWIS / PA1460046 / 2378
2019 cis-1,2-Dichloroethylene MR 4 SDWIS / PA1460046 / 2380
2019 Xylenes, Total MR 4 SDWIS / PA1460046 / 2955
2019 DICHLOROMETHANE MR 4 SDWIS / PA1460046 / 2964
2019 1,1-Dichloroethylene MR 4 SDWIS / PA1460046 / 2977
2019 trans-1,2-Dichloroethylene MR 4 SDWIS / PA1460046 / 2979
2019 1,1,1-Trichloroethane MR 4 SDWIS / PA1460046 / 2981
2019 Carbon tetrachloride MR 4 SDWIS / PA1460046 / 2982
2019 Tetrachloroethylene MR 4 SDWIS / PA1460046 / 2987
2019 Styrene MR 4 SDWIS / PA1460046 / 2996
2019 Trichloroethylene MR 4 SDWIS / PA1460046 / 2984
2019 Ethylbenzene MR 4 SDWIS / PA1460046 / 2992
2019 o-Dichlorobenzene MR 4 SDWIS / PA1460046 / 2968

How PA AMERICAN NORRISTOWN Compares

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

Metric PA AMERICAN NORRISTOWN Pennsylvania avg Federal benchmark
Total violations 92 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection 5 compounds 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 88,885 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 PA AMERICAN NORRISTOWN water safe to drink? ▼
PA AMERICAN NORRISTOWN (PWS ID: PA1460046) has 92 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 5 PFAS compounds found. This system serves 88,885 people using Surface Water sources.
How many people does PA AMERICAN NORRISTOWN serve? ▼
PA AMERICAN NORRISTOWN serves 88,885 people in NORRISTOWN, Pennsylvania. It is a Private-owned system using Surface Water water sources with 32,857 service connections.
What type of violations does PA AMERICAN NORRISTOWN have? ▼
PA AMERICAN NORRISTOWN has 92 total violations: 0 health-based violations (MCL exceedances or treatment failures), 88 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in PA AMERICAN NORRISTOWN water? ▼
Yes. UCMR5 testing detected 5 PFAS compounds in PA AMERICAN NORRISTOWN's water supply: PFBA, PFPeA, lithium, PFHxA, PFBS. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does PA AMERICAN NORRISTOWN use? ▼
PA AMERICAN NORRISTOWN 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