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KNOX WATER WORKS

PWS ID: PA6160005 · KNOX, Pennsylvania 16232

KNOX WATER WORKS serves 1,380 people in KNOX, Pennsylvania using Groundwater water sources. It has 133 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: KNOX WATER WORKS

KNOX WATER WORKS is a local-owned community water system that delivers drinking water to 1,380 residents in KNOX, Pennsylvania (Clarion County) through 720 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 133 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 123 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 Groundwater Rule, recorded in 12 violations (MR). 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. KNOX WATER WORKS's 133 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.

Population Served
1,380
Total Violations
133
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
720
County
Clarion
School/Daycare
No
MCL Violations
0
Monitoring Violations
123
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule MR 12 2024
Chlorine MR 7 2007
Coliform (TCR) MR 7 2007
Arsenic MR 6 2002
Cadmium MR 6 2002
Chromium MR 6 2002
Fluoride MR 6 2002
Selenium MR 6 2002
Nitrate MR 6 2022
Barium MR 6 2002
Mercury MR 6 2002
Total Haloacetic Acids (HAA5) MR 5 2019
CYANIDE MR 4 2002
Antimony, Total MR 4 2002
Nitrite MR 4 2022
Beryllium, Total MR 4 2002
Lead and Copper Rule MR 4 2005
Thallium, Total MR 4 2002
Nickel MR 4 2002
TTHM MR 3 2019
Revised Total Coliform Rule Other 2 2016
2,4-D MR 2 1988
2,4,5-TP MR 2 1988
Toxaphene MR 2 1988
BHC-GAMMA MR 2 1988
Methoxychlor MR 2 1988
Endrin MR 2 1988
Consumer Confidence Rule Other 2 2002
Gross Alpha, Excl. Radon and U MR 1 1976

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 KNOX 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 PA6160005 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 KNOX 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
2024 Groundwater Rule MR 12 SDWIS / PA6160005 / 0700
2022 Nitrate MR 6 SDWIS / PA6160005 / 1040
2022 Nitrite MR 4 SDWIS / PA6160005 / 1041
2019 Total Haloacetic Acids (HAA5) MR 5 SDWIS / PA6160005 / 2456
2019 TTHM MR 3 SDWIS / PA6160005 / 2950
2016 Revised Total Coliform Rule Other 2 SDWIS / PA6160005 / 8000
2007 Chlorine MR 7 SDWIS / PA6160005 / 0999
2007 Coliform (TCR) MR 7 SDWIS / PA6160005 / 3100
2005 Lead and Copper Rule MR 4 SDWIS / PA6160005 / 5000
2002 Arsenic MR 6 SDWIS / PA6160005 / 1005
2002 Cadmium MR 6 SDWIS / PA6160005 / 1015
2002 Chromium MR 6 SDWIS / PA6160005 / 1020
2002 Fluoride MR 6 SDWIS / PA6160005 / 1025
2002 Selenium MR 6 SDWIS / PA6160005 / 1045
2002 Barium MR 6 SDWIS / PA6160005 / 1010

How KNOX WATER WORKS Compares

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

Metric KNOX WATER WORKS Pennsylvania avg Federal benchmark
Total violations 133 150.6 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 None 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,380 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 KNOX WATER WORKS water safe to drink? ▼
KNOX WATER WORKS (PWS ID: PA6160005) has 133 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,380 people using Groundwater sources.
How many people does KNOX WATER WORKS serve? ▼
KNOX WATER WORKS serves 1,380 people in KNOX, Pennsylvania. It is a Local-owned system using Groundwater water sources with 720 service connections.
What type of violations does KNOX WATER WORKS have? ▼
KNOX WATER WORKS has 133 total violations: 0 health-based violations (MCL exceedances or treatment failures), 123 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in KNOX WATER WORKS water? ▼
No PFAS testing data is available for KNOX WATER WORKS under the EPA's UCMR5 monitoring program.
What water source does KNOX WATER WORKS use? ▼
KNOX WATER WORKS 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.

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