ONTARIO, OR · Malheur County

WESTGATE MOBILE HOME PARK Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of April 1, 1984. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Malheur County, OR.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.

System facts

System ID (PWSID): OR4101030
System type: Community Water System
Population served: 200
Service connections: 92
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Nitrate
April 1, 1983 – June 30, 1983
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
January 1, 1983 – March 31, 1983
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
October 1, 1982 – December 31, 1982
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
September 11, 1980 – October 10, 1980
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
September 10, 1980 – October 9, 1980
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
September 10, 1980 – October 9, 1980
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
Archived

Archived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 1983 – June 30, 1983	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
January 1, 1983 – March 31, 1983	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
October 1, 1982 – December 31, 1982	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
September 11, 1980 – October 10, 1980	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
September 10, 1980 – October 9, 1980	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
September 10, 1980 – October 9, 1980	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
June 1, 1976 – May 31, 1980	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
June 1, 1976 – May 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

Not on record

503-889-6663

ONTARIO, OR 97914