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Public water system · OR4193712

Active

Muddy Creek Charter School

At a glance

Muddy Creek Charter School (PWSID OR4193712) is an active non-transient non-community water system in Benton County, Oregon. It reports serving 125 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026.

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

Population served

125

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDOR4193712
System typeNon-transient non-community water system
Activity statusActive
Population served125
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyBenton County

How does Muddy Creek Charter School compare with other water systems in Benton County?

By EPA's size categories, Muddy Creek Charter School is a very small system (500 people or fewer). Benton County has 51 active public water systems. Its population served is well below the county average of 1,430 people per system, and accounts for 0.2% of the 72,904 people reported by systems filed under the county. Across Oregon, the 2,536 active systems average 1,587 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Muddy Creek Charter School is well 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. Oregon has 346 active non-transient non-community water systems, 14% of the state's 2,536 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,175 Oregon systems (86%) list groundwater as their primary source.

Who owns and regulates Muddy Creek Charter School?

EPA lists Muddy Creek Charter School as owned by a local government. The OR state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 17 of the 51 active systems in Benton County (33%) are also owned by a local government.

Does Muddy Creek Charter School have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026. The violations listed here began between July 2022 and January 2026. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (12 of them). EPA lists 10 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2026-01-01Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56Lead and Copper Rulecode 5000NoUnaddressed
2026-01-01Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56Lead and Copper Rulecode 5000NoUnaddressed
2025-07-01Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56Lead and Copper Rulecode 5000NoResolved
2025-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2024-07-01Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56Lead and Copper Rulecode 5000NoResolved
2024-07-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2024-07-01Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56Lead and Copper Rulecode 5000NoResolved
2024-01-01Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56Lead and Copper Rulecode 5000NoResolved
2023-07-01Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56Lead and Copper Rulecode 5000NoResolved
2023-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2022-07-01Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56Lead and Copper Rulecode 5000NoResolved
2022-07-01Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56Lead and Copper Rulecode 5000NoResolved

The 12 most recent 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.

Muddy Creek Charter School: frequently asked questions

Who runs Muddy Creek Charter School?

Muddy Creek Charter School (PWSID OR4193712) is a non-transient non-community water system owned by a local government. It is regulated by the OR state drinking water program.

How many people does Muddy Creek Charter School serve?

Muddy Creek Charter School reports serving 125 people through 1 service connection in Benton County, Oregon.

Where does Muddy Creek Charter 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 Muddy Creek Charter School have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026. 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 Muddy Creek Charter 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026. For current results, consult EPA ECHO, or the OR state drinking water program.

Where can I find Muddy Creek Charter School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Muddy Creek Charter 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 Benton County

Water systemCountyPopulation servedTypeSource
Corvallis, City ofBenton61,468CommunitySurface water
Philomath Public WorksBenton4,670CommunitySurface water
Adair Village Water SystemBenton875CommunitySurface water
Monroe, City ofBenton723CommunitySurface water
Knoll Terrace ParkBenton452CommunityGroundwater
Vineyard Mountain WaterBenton325CommunityGroundwater

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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, “Muddy Creek Charter School, PWSID OR4193712, Oregon”, https://aquacensus.com/water-systems/oregon/muddy-creek-charter-school-or4193712 (data as of October 1, 2026).