Public water system · OR4190594

Active

Nestucca High School

At a glance

Nestucca High School (PWSID OR4190594) is an active non-transient non-community water system in Tillamook County, Oregon. It reports serving 270 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, one is health-based, and the most recent began in January 2026.

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

Population served

270

Service connections

Primary source

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDOR4190594

System typeNon-transient non-community water system

Activity statusActive

Population served270

Service connections1

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyOR state drinking water program

City served—

StateOregon

ZIP—

CountyTillamook County

How does Nestucca High School compare with other water systems in Tillamook County?

By EPA's size categories, Nestucca High School is a very small system (500 people or fewer). Tillamook County has 63 active public water systems. Its population served is about half of the county average of 538 people per system, and accounts for 0.8% of the 33,890 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 Nestucca High School is about 37% 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 Nestucca High School?

EPA lists Nestucca High 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. 25 of the 63 active systems in Tillamook County (40%) are also owned by a local government.

Does Nestucca High School have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2026. The violations listed here began between June 2017 and January 2026. By type: 6 monitoring, 4 monitoring and reporting, 1 public notice, recordkeeping or other and 1 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 12 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.

Began	Violation	Contaminant or rule	Health-based	Status
2026-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2025-10-01	Required treatment not metOCCT/SOWT Study/Recommendation · code 57	Lead and Copper Rulecode 5000	Yes	Resolved
2025-07-01	Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51	Lead and Copper Rulecode 5000	No	Resolved
2024-07-01	Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51	Lead and Copper Rulecode 5000	No	Resolved
2024-01-01	Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19	Coliphagecode 3028	No	Resolved
2022-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2021-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-05-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2018-06-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2017-12-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2017-06-01	MonitoringMonitoring, Additional Routine (RTCR) · code 3B	Revised Total Coliform Rulecode 8000	No	Resolved

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.

Nestucca High School: frequently asked questions

Who runs Nestucca High School?

Nestucca High School (PWSID OR4190594) 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 Nestucca High School serve?

Nestucca High School reports serving 270 people through 1 service connection in Tillamook County, Oregon.

Where does Nestucca High 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 Nestucca High School have any drinking water violations?

Of the 12 most recent violations in EPA's records, one 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 Nestucca High 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, one 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 Nestucca High School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Nestucca High 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 Tillamook County

Water system	County	Population served	Type	Source
Tillamook Water Dept, City of	Tillamook	5,265	Community	Surface water
Manzanita, City of	Tillamook	3,200	Community	Purchased groundwater
Oprd Cape Lookout State Park	Tillamook	2,005	Transient non-community	Surface water
Fairview Water District	Tillamook	1,930	Community	Groundwater
Netarts Water District	Tillamook	1,800	Community	Surface water
Neskowin Reg Water Dist	Tillamook	1,735	Community	Surface water

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, “Nestucca High School, PWSID OR4190594, Oregon”, https://aquacensus.com/water-systems/oregon/nestucca-high-school-or4190594 (data as of October 1, 2026).