Skip to content
AquaCensus

Public water system · OH7033412

Active

Mifflin Elementary School

At a glance

Mifflin Elementary School (PWSID OH7033412) is an active non-transient non-community water system in Richland County, Ohio. It reports serving 352 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in April 2017.

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

Population served

352

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDOH7033412
System typeNon-transient non-community water system
Activity statusActive
Population served352
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyOH state drinking water program
City served—
StateOhio
ZIP—
CountyRichland County

How does Mifflin Elementary School compare with other water systems in Richland County?

By EPA's size categories, Mifflin Elementary School is a very small system (500 people or fewer). Richland County has 106 active public water systems. Its population served is about 63% below the county average of 942 people per system, and accounts for 0.4% of the 99,812 people reported by systems filed under the county. Across Ohio, the 3,854 active systems average 2,767 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Mifflin Elementary School is about 18% below that figure.

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

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Ohio has 544 active non-transient non-community water systems, 14% 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 Mifflin Elementary School?

EPA lists Mifflin Elementary School as privately owned. 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. 94 of the 106 active systems in Richland County (89%) are also privately owned.

Does Mifflin Elementary School have drinking water violations?

EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in April 2017. The violations listed here began between October 1995 and April 2017. By type: 5 monitoring and reporting, 4 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Haloacetic acids (HAA5) (4 of them). EPA lists 10 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
2017-04-15Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2017-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2017-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2016-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2016-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2000-04-01Monitoring and reportingMonitoring, Regular · code 03Simazinecode 2037NoResolved
2000-04-01Monitoring and reportingMonitoring, Regular · code 03Atrazinecode 2050NoResolved
2000-04-01Monitoring and reportingMonitoring, Regular · code 03Alachlor (Lasso)code 2051NoResolved
1996-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1995-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 10 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.

Mifflin Elementary School: frequently asked questions

Who runs Mifflin Elementary School?

Mifflin Elementary School (PWSID OH7033412) is a non-transient non-community water system privately owned. It is regulated by the OH state drinking water program.

How many people does Mifflin Elementary School serve?

Mifflin Elementary School reports serving 352 people through 1 service connection in Richland County, Ohio.

Where does Mifflin Elementary School 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 Mifflin Elementary School have any drinking water violations?

EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in April 2017. 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 Mifflin Elementary School'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 10 violations for this system; 4 are health-based, and the most recent began in April 2017. For current results, consult EPA ECHO, or the OH state drinking water program.

Where can I find Mifflin Elementary School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Mifflin Elementary School is a non-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 Richland County

Water systemCountyPopulation servedTypeSource
Mansfield CityRichland51,000CommunitySurface water
Shelby CityRichland9,453CommunitySurface water
Ontario CityRichland6,756CommunityGroundwater
Lexington VillageRichland4,825CommunityGroundwater
Madison Water DistrictRichland2,050CommunityGroundwater
Bellville VillageRichland1,918CommunityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Mifflin Elementary School, PWSID OH7033412, Ohio”, https://aquacensus.com/water-systems/ohio/mifflin-elementary-school-oh7033412 (data as of October 1, 2026).