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Public water system · OH5040612

Active

Usace-Berlin Lake/ Mill Creek Rec. Area

At a glance

Usace-Berlin Lake/ Mill Creek Rec. Area (PWSID OH5040612) is an active transient non-community water system in Mahoning County, Ohio. It reports serving 527 people through 27 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in May 2021.

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

Population served

527

Service connections

27

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDOH5040612
System typeTransient non-community water system
Activity statusActive
Population served527
Service connections27
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyOH state drinking water program
City served—
StateOhio
ZIP—
CountyMahoning County

How does Usace-Berlin Lake/ Mill Creek Rec. Area compare with other water systems in Mahoning County?

By EPA's size categories, Usace-Berlin Lake/ Mill Creek Rec. Area is a small system (501 to 3,300 people). Mahoning County has 65 active public water systems. Its population served is well below the county average of 2,583 people per system, and accounts for 0.3% of the 167,876 people reported by systems filed under the county. Across Ohio, the 3,854 active systems average 2,767 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Usace-Berlin Lake/ Mill Creek Rec. Area is about 3.7 times 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. Ohio has 2,282 active transient non-community water systems, 59% of the state's 3,854 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,446 Ohio systems (89%) list groundwater as their primary source.

Who owns and regulates Usace-Berlin Lake/ Mill Creek Rec. Area?

EPA lists Usace-Berlin Lake/ Mill Creek Rec. Area as owned by the federal government. The OH state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 1 of the 65 active systems in Mahoning County (1.5%) are also owned by the federal government.

Does Usace-Berlin Lake/ Mill Creek Rec. Area have drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in May 2021. The violations listed here began between July 1996 and May 2021. By type: 1 monitoring and 1 monitoring and reporting. The contaminants or rules involved are Revised Total Coliform Rule and Nitrate. EPA lists 2 as resolved. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2021-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
1996-07-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

All 2 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.

Usace-Berlin Lake/ Mill Creek Rec. Area: frequently asked questions

Who runs Usace-Berlin Lake/ Mill Creek Rec. Area?

Usace-Berlin Lake/ Mill Creek Rec. Area (PWSID OH5040612) is a transient non-community water system owned by the federal government. It is regulated by the OH state drinking water program.

How many people does Usace-Berlin Lake/ Mill Creek Rec. Area serve?

Usace-Berlin Lake/ Mill Creek Rec. Area reports serving 527 people through 27 service connections in Mahoning County, Ohio.

Where does Usace-Berlin Lake/ Mill Creek Rec. Area 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 Usace-Berlin Lake/ Mill Creek Rec. Area have any drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in May 2021. 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 Usace-Berlin Lake/ Mill Creek Rec. Area'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 2 violations for this system; none is health-based, and the most recent began in May 2021. For current results, consult EPA ECHO, or the OH state drinking water program.

Where can I find Usace-Berlin Lake/ Mill Creek Rec. Area's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Usace-Berlin Lake/ Mill Creek Rec. Area 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 Mahoning County

Water systemCountyPopulation servedTypeSource
Youngstown City PwsMahoning130,530CommunityPurchased surface water
Canfield City PwsMahoning7,706CommunityPurchased surface water
Hollywood Gaming @ MvrcMahoning7,625Non-transient non-communityGroundwater
Sebring Village PwsMahoning6,058CommunitySurface water
Jackson/Milton Metro Water District PwsMahoning3,728CommunityPurchased surface water
Greenford Christian Life Center (C, D,E)Mahoning1,623Transient non-communityGroundwater

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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, “Usace-Berlin Lake/ Mill Creek Rec. Area, PWSID OH5040612, Ohio”, https://aquacensus.com/water-systems/ohio/usace-berlin-lake-mill-creek-rec-area-oh5040612 (data as of October 1, 2026).