Skip to content
AquaCensus

Public water system · OR4100970

Active

Neskowin Reg Water Dist

At a glance

Neskowin Reg Water Dist (PWSID OR4100970) is an active community water system in Tillamook County, Oregon. It reports serving 1,735 people through 774 service connections. Its primary water source is surface water, 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 October 2025.

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

Population served

1,735

Service connections

774

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDOR4100970
System typeCommunity water system
Activity statusActive
Population served1,735
Service connections774
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyTillamook County

How does Neskowin Reg Water Dist compare with other water systems in Tillamook County?

By EPA's size categories, Neskowin Reg Water Dist is a small system (501 to 3,300 people). Tillamook County has 63 active public water systems, and Neskowin Reg Water Dist is the 6th-largest of them by population served. Its population served is about 3.2 times the county average of 538 people per system, and accounts for 5.1% 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 community water system reports serving 6,703 people, so Neskowin Reg Water Dist is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Oregon has 940 active community water systems, 37% of the state's 2,536 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 211 Oregon systems (8.3%) list surface water as their primary source.

Who owns and regulates Neskowin Reg Water Dist?

EPA lists Neskowin Reg Water Dist 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 Neskowin Reg Water Dist have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025. The violations listed here began between January 2020 and October 2025. By type: 9 monitoring and reporting and 3 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (3 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2023-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2022-10-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2022-10-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2022-10-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2022-07-01Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56Lead and Copper Rulecode 5000NoResolved
2020-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2020-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Endrincode 2005NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Heptachlorcode 2065NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Lindane (gamma-BHC)code 2010NoResolved

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.

Neskowin Reg Water Dist: frequently asked questions

Who runs Neskowin Reg Water Dist?

Neskowin Reg Water Dist (PWSID OR4100970) is a community water system owned by a local government. It is regulated by the OR state drinking water program.

How many people does Neskowin Reg Water Dist serve?

Neskowin Reg Water Dist reports serving 1,735 people through 774 service connections in Tillamook County, Oregon.

Where does Neskowin Reg Water Dist get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Neskowin Reg Water Dist 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 October 2025. 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 Neskowin Reg Water Dist'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 October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.

Where can I find Neskowin Reg Water Dist's water quality report?

As a community water system, Neskowin Reg Water Dist must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Tillamook County

Water systemCountyPopulation servedTypeSource
Tillamook Water Dept, City ofTillamook5,265CommunitySurface water
Manzanita, City ofTillamook3,200CommunityPurchased groundwater
Oprd Cape Lookout State ParkTillamook2,005Transient non-communitySurface water
Fairview Water DistrictTillamook1,930CommunityGroundwater
Netarts Water DistrictTillamook1,800CommunitySurface water
Oprd Oswald West State ParkTillamook1,708Transient non-communitySurface water

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, “Neskowin Reg Water Dist, PWSID OR4100970, Oregon”, https://aquacensus.com/water-systems/oregon/neskowin-reg-water-dist-or4100970 (data as of October 1, 2026).