Clean Water Act discharge permit · NPDES OR0030210

HIDDEN VALLEY HIGH SCHOOL STP, Murphy, OR: NPDES OR0030210 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
13Pollutants under a numeric limit
0Pollutants with an effluent exceedance

HIDDEN VALLEY HIGH SCHOOL STP, held by THREE RIVERS SCHOOL DISTRICT, holds NPDES permit OR0030210, which discharges to Applegate River. EPA’s file records it issued June 19, 2014 and expiring May 31, 2019. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	HIDDEN VALLEY HIGH SCHOOL STP
Permittee as filed	THREE RIVERS SCHOOL DISTRICT
NPDES ID	OR0030210
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	June 19, 2014
Expiration date	May 31, 2019
Address	Murphy, OR 97533
Receiving water	APPLEGATE RIVER
Subwatershed	Caris Creek-Applegate River (HUC 171003090601)
SIC	4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

13Pollutants on file
13Under a numeric limit
12With a violation of any kind
0With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind
BOD, 5-day, 20 deg. C	6	7
Solids, total suspended	6	7
Excess thermal load	6	6
pH	4	4
E. coli	4	4
Temperature, water deg. centigrade	2	2
Nitrogen, ammonia total [as N]	2	2
Chlorine, total residual	2	2
Flow, in conduit or thru treatment plant	1	1
BOD, 5-day, percent removal	1	1
Solids, suspended percent removal	1	1
Chlorine usage	1	1
Flow, total	1	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES OR0030210.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

1Single-event violations

Date	What EPA recorded	Agency
May 1, 2017	Effluent Violations - Unauthorized Discharge	ST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID OR0030210 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers the Clean Water Act discharge permit NPDES OR0030210 held by Three Rivers School District for Hidden Valley High School STP in Murphy, OR, which discharges to the Applegate River. The listed figures show 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with the permit shown as administratively continued and past its May 31, 2019 expiration date.