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KEYSTONE APT LLC

PWS ID: PA4410016 · MOUNT FREEDOM, Pennsylvania 07970

KEYSTONE APT LLC serves 100 people in MOUNT FREEDOM, Pennsylvania using Groundwater water sources. It has 1,015 recorded EPA violations, including 72 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: KEYSTONE APT LLC

KEYSTONE APT LLC is a private-owned community water system that delivers drinking water to 100 residents in MOUNT FREEDOM, Pennsylvania (Lycoming County) through 50 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 1,015 total violations for this system , of which 72 (7%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 891 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 Groundwater Rule, recorded in 140 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. KEYSTONE APT LLC's 1,015 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
100
Total Violations
1,015
Health-Based Violations
72
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
50
County
Lycoming
School/Daycare
No
MCL Violations
0
Monitoring Violations
891
Treatment Tech Violations
72

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule MR 140 2025
Chlorine MR 81 2025
Groundwater Rule TT 72 2013
Public Notice Other 25 2024
Consumer Confidence Rule Other 22 2025
Atrazine MR 21 2013
1,2-DIBROMO-3-CHLOROPROPANE MR 19 2016
ETHYLENE DIBROMIDE MR 19 2016
Endrin MR 15 2013
BHC-GAMMA MR 15 2013
Methoxychlor MR 15 2013
Diquat MR 15 2013
Endothall MR 15 2013
Glyphosate MR 15 2013
Di(2-ethylhexyl) adipate MR 15 2013
Di(2-ethylhexyl) phthalate MR 15 2013
Dinoseb MR 15 2013
Hexachlorocyclopentadiene MR 15 2013
LASSO MR 15 2013
2,3,7,8-TCDD MR 15 2013
Heptachlor MR 15 2013
Heptachlor epoxide MR 15 2013
Benzo(a)pyrene MR 15 2013
Pentachlorophenol MR 15 2013
Chlordane MR 15 2013
Toxaphene MR 15 2013
OXAMYL MR 15 2013
Simazine MR 15 2013
Picloram MR 15 2013
Carbofuran MR 15 2013

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 KEYSTONE APT LLC.

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 PA4410016 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 KEYSTONE APT LLC 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 Groundwater Rule MR 140 SDWIS / PA4410016 / 0700
2025 Chlorine MR 81 SDWIS / PA4410016 / 0999
2025 Consumer Confidence Rule Other 22 SDWIS / PA4410016 / 7000
2024 Public Notice Other 25 SDWIS / PA4410016 / 7500
2024 Revised Total Coliform Rule MON 8 SDWIS / PA4410016 / 8000
2022 Combined Uranium MR 3 SDWIS / PA4410016 / 4006
2019 Revised Total Coliform Rule RPT 2 SDWIS / PA4410016 / 8000
2016 1,2-DIBROMO-3-CHLOROPROPANE MR 19 SDWIS / PA4410016 / 2931
2016 ETHYLENE DIBROMIDE MR 19 SDWIS / PA4410016 / 2946
2014 Nitrate MR 10 SDWIS / PA4410016 / 1040
2014 Nitrite MR 2 SDWIS / PA4410016 / 1041
2013 Groundwater Rule TT 72 SDWIS / PA4410016 / 0700
2013 Atrazine MR 21 SDWIS / PA4410016 / 2050
2013 Endrin MR 15 SDWIS / PA4410016 / 2005
2013 BHC-GAMMA MR 15 SDWIS / PA4410016 / 2010

How KEYSTONE APT LLC Compares

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

Metric KEYSTONE APT LLC Pennsylvania avg Federal benchmark
Total violations 1,015 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 72 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 100 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 KEYSTONE APT LLC water safe to drink? ▼
KEYSTONE APT LLC (PWS ID: PA4410016) has 1015 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does KEYSTONE APT LLC serve? ▼
KEYSTONE APT LLC serves 100 people in MOUNT FREEDOM, Pennsylvania. It is a Private-owned system using Groundwater water sources with 50 service connections.
What type of violations does KEYSTONE APT LLC have? ▼
KEYSTONE APT LLC has 1,015 total violations: 72 health-based violations (MCL exceedances or treatment failures), 891 monitoring/reporting violations, and 72 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in KEYSTONE APT LLC water? ▼
No PFAS testing data is available for KEYSTONE APT LLC under the EPA's UCMR5 monitoring program.
What water source does KEYSTONE APT LLC use? ▼
KEYSTONE APT LLC 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 PlainWater Editorial