Public water system · PA6240803

Active

Usfs Twin Lakes Upper Cg

At a glance

Usfs Twin Lakes Upper Cg (PWSID PA6240803) is an active transient non-community water system in Elk County, Pennsylvania. It reports serving 246 people through 10 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in October 2024.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

246

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDPA6240803

System typeTransient non-community water system

Activity statusActive

Population served246

Service connections10

Primary water sourceGroundwater

Owner typeFederal government

Primacy agencyPA state drinking water program

City served—

StatePennsylvania

ZIP—

CountyElk County

How does Usfs Twin Lakes Upper Cg compare with other water systems in Elk County?

By EPA's size categories, Usfs Twin Lakes Upper Cg is a very small system (500 people or fewer). Elk County has 26 active public water systems. Its population served is well below the county average of 1,305 people per system, and accounts for 0.7% of the 33,918 people reported by systems filed under the county. Across Pennsylvania, the 7,217 active systems average 1,741 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Usfs Twin Lakes Upper Cg is about 71% above that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Pennsylvania has 4,429 active transient non-community water systems, 61% of the state's 7,217 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,632 Pennsylvania systems (92%) list groundwater as their primary source.

Who owns and regulates Usfs Twin Lakes Upper Cg?

EPA lists Usfs Twin Lakes Upper Cg as owned by the federal government. The PA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 26 active systems in Elk County (12%) are also owned by the federal government.

Does Usfs Twin Lakes Upper Cg have drinking water violations?

EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between December 1979 and October 2024. By type: 4 monitoring and reporting, 1 public notice, recordkeeping or other, 1 required treatment not met, 1 monitoring and 1 reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 5 as resolved and 3 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

Began	Violation	Contaminant or rule	Health-based	Status
2024-10-14	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2024-07-01	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2024-05-20	Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D	Revised Total Coliform Rulecode 8000	Yes	Resolved
2024-05-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2016-05-01	ReportingReport Startup Procedures Cert Form (RTCR) · code 4C	Revised Total Coliform Rulecode 8000	No	Resolved
1986-12-24	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Archived
1983-12-24	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Archived
1979-12-24	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Archived

All 8 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Usfs Twin Lakes Upper Cg: frequently asked questions

Who runs Usfs Twin Lakes Upper Cg?

Usfs Twin Lakes Upper Cg (PWSID PA6240803) is a transient non-community water system owned by the federal government. It is regulated by the PA state drinking water program.

How many people does Usfs Twin Lakes Upper Cg serve?

Usfs Twin Lakes Upper Cg reports serving 246 people through 10 service connections in Elk County, Pennsylvania.

Where does Usfs Twin Lakes Upper Cg get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Usfs Twin Lakes Upper Cg have any drinking water violations?

EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in October 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Usfs Twin Lakes Upper Cg's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in October 2024. For current results, consult EPA ECHO, or the PA state drinking water program.

Where can I find Usfs Twin Lakes Upper Cg's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Usfs Twin Lakes Upper Cg is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Elk County

Water system	County	Population served	Type	Source
St Marys Area Water Auth	Elk	19,588	Community	Surface water
Ridgway Borough Water System	Elk	4,700	Community	Surface water
Johnsonburg Municipal Auth	Elk	2,413	Community	Surface water
Ridgway Twp Water Auth	Elk	1,763	Community	Purchased surface water
Jay Twp Water Authority	Elk	1,131	Community	Surface water
Benezette Store & Rest	Elk	600	Transient non-community	Groundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Usfs Twin Lakes Upper Cg, PWSID PA6240803, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/usfs-twin-lakes-upper-cg-pa6240803 (data as of October 1, 2026).