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Community Water System · PWS PA1460022

Collegeville Trappe Joint Pwd

Trappe, Pennsylvania 19426 - drinking water served from groundwater sources to 8,470 people, tracked in EPA SDWIS and UCMR5.

8,470
People served
434
EPA violations
22
Health-based
8 PFAS
UCMR5 result

The verdict

EPA records 434 drinking-water violations at Collegeville Trappe Joint Pwd, 5% of them health-based - above the Pennsylvania per-system average, and UCMR5 testing detected 8 PFAS compounds.

434
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
8,470
People served by this system
8
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Collegeville Trappe Joint Pwd

Collegeville Trappe Joint Pwd is a local-owned community water system that delivers drinking water to 8,470 residents in Trappe, Pennsylvania (Montgomery County) through 2,952 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 434 total violations for this system , of which 22 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 402 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 Nitrate, recorded in 63 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 8 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 235 ppt (parts per trillion). 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. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%).

Collegeville Trappe Joint Pwd's 434 violations sit above the Pennsylvania average.

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

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

Population Served
8,470
Total Violations
434
Health-Based Violations
22
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,952
County
Montgomery
School/Daycare
No
MCL Violations
18
Monitoring Violations
402
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 63 1999
Aldicarb MR 40 1995
Methoxychlor MR 34 1995
1,2-DIBROMO-3-CHLOROPROPANE MR 18 1995
LASSO MR 18 1995
ETHYLENE DIBROMIDE MR 18 1995
Hexachlorocyclopentadiene MR 16 1995
Benzo(a)pyrene MR 16 1995
Pentachlorophenol MR 16 1995
Simazine MR 16 1995
Di(2-ethylhexyl) phthalate MR 16 1995
Picloram MR 16 1995
Di(2-ethylhexyl) adipate MR 16 1995
Atrazine MR 16 1995
BHC-GAMMA MR 16 1995
2,4-D MR 16 1995
Aldicarb sulfoxide MR 15 1995
Aldicarb sulfone MR 15 1995
Groundwater Rule MR 12 2023
Coliform (TCR) MCL 11 2004
Consumer Confidence Rule Other 7 2006
Trichloroethylene MCL 7 1989
Groundwater Rule TT 4 2017
Lead and Copper Rule MR 3 1994
Coliform (TCR) MR 3 1995
Chlorine MR 2 2004
Public Notice Other 2 2014
TTHM MR 1 2021

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 83 of 377 samples detected PFAS.

Contaminant Date Result MRL Status
PFUnA 9/20/2023 <2.00 ppt 2.00 ppt Not Detected
PFMBA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 9/20/2023 6.30 ppt 5.00 ppt Detected
PFHxA 9/20/2023 7.00 ppt 3.00 ppt Detected
11Cl-PF3OUdS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 9/20/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/20/2023 5.90 ppt 3.00 ppt Detected
PFHpS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFEESA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
NFDHA 9/20/2023 <20.00 ppt 20.00 ppt Not Detected
8:2 FTS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFDA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 9/20/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 9/20/2023 <6.00 ppt 6.00 ppt Not Detected
PFTA 9/20/2023 <8.00 ppt 8.00 ppt Not Detected
4:2 FTS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/20/2023 14.00 ppt 3.00 ppt Detected
PFHpA 9/20/2023 4.70 ppt 3.00 ppt Detected
PFHxS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/20/2023 8.30 ppt 4.00 ppt Detected
PFOA 9/20/2023 11.00 ppt 4.00 ppt Detected
ADONA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 9/20/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/20/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 9/20/2023 <6.00 ppt 6.00 ppt Not Detected
PFBS 9/20/2023 12.00 ppt 3.00 ppt Detected
PFNA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpA 9/20/2023 3.70 ppt 3.00 ppt Detected
PFOA 9/20/2023 8.90 ppt 4.00 ppt Detected
PFDA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/20/2023 5.50 ppt 3.00 ppt Detected
PFUnA 9/20/2023 <2.00 ppt 2.00 ppt Not Detected
9Cl-PF3ONS 9/20/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/20/2023 <4.00 ppt 4.00 ppt 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 Collegeville Trappe Joint Pwd.

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 PA1460022 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 Collegeville Trappe Joint Pwd 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 Groundwater Rule MR 12 SDWIS / PA1460022 / 0700
2021 TTHM MR 1 SDWIS / PA1460022 / 2950
2017 Groundwater Rule TT 4 SDWIS / PA1460022 / 0700
2014 Public Notice Other 2 SDWIS / PA1460022 / 7500
2006 Consumer Confidence Rule Other 7 SDWIS / PA1460022 / 7000
2004 Coliform (TCR) MCL 11 SDWIS / PA1460022 / 3100
2004 Chlorine MR 2 SDWIS / PA1460022 / 0999
1999 Nitrate MR 63 SDWIS / PA1460022 / 1040
1995 Aldicarb MR 40 SDWIS / PA1460022 / 2047
1995 Methoxychlor MR 34 SDWIS / PA1460022 / 2015
1995 1,2-DIBROMO-3-CHLOROPROPANE MR 18 SDWIS / PA1460022 / 2931
1995 LASSO MR 18 SDWIS / PA1460022 / 2051
1995 ETHYLENE DIBROMIDE MR 18 SDWIS / PA1460022 / 2946
1995 Hexachlorocyclopentadiene MR 16 SDWIS / PA1460022 / 2042
1995 Benzo(a)pyrene MR 16 SDWIS / PA1460022 / 2306

How Collegeville Trappe Joint Pwd Compares

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

Metric Collegeville Trappe Joint Pwd Pennsylvania avg Federal benchmark
Total violations 434 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 22 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection 8 compounds 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 8,470 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Collegeville Trappe Joint Pwd water safe to drink? ▼
Collegeville Trappe Joint Pwd (PWS ID: PA1460022) has 434 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 8 PFAS compounds found. This system serves 8,470 people using Groundwater sources.
How many people does Collegeville Trappe Joint Pwd serve? ▼
Collegeville Trappe Joint Pwd serves 8,470 people in Trappe, Pennsylvania. It is a Local-owned system using Groundwater water sources with 2,952 service connections.
What type of violations does Collegeville Trappe Joint Pwd have? ▼
Collegeville Trappe Joint Pwd has 434 total violations: 22 health-based violations (MCL exceedances or treatment failures), 402 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Collegeville Trappe Joint Pwd water? ▼
Yes. UCMR5 testing detected 8 PFAS compounds in Collegeville Trappe Joint Pwd's water supply: PFBA, PFHxA, PFPeA, PFBS, PFHpA, and others. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Collegeville Trappe Joint Pwd use? ▼
Collegeville Trappe Joint Pwd uses Groundwater 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.
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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.