MURPHY COMPANY

NPDES permit OR0021741 · Minor NON-POTW · administratively continued, expires 2016-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2016-09-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 24 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among OR permits in EPA's filings — check your permit).

Limits in force (28)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Temperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep, Oct
001Temperature, water deg. centigradeDAILY MX report only Jun, Jul, Aug, Sep, Oct
001Flow rateDAILY MX report only Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Oil & GreaseDAILY MX <= 10 mg/L all year
001Debris, floating [severity]VALUE <= 0 N=0;Y=1 all year
001Floating solids, waste or visible foam-visualVALUE <= 0 N=0;Y=1 all year
001Flow, in conduit or thru treatment plantDAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Flow, in conduit or thru treatment plantDAILY MX <= 27800 gal/d Jul, Aug
001Flow, in conduit or thru treatment plantDAILY MX <= 25200 gal/d Sep
001Flow, in conduit or thru treatment plantDAILY MX <= 50400 gal/d Oct
001Flow, in conduit or thru treatment plantDAILY MX <= 380000 gal/d Jun
001Flow, in conduit or thru treatment plantDAILY MX <= 306000 gal/d Jun
002Temperature, water deg. centigradeMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
002BOD, 5-day, 20 deg. CMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
002pHDAILY MN >= 6 SU Jan, Feb, Mar, Apr, Nov, Dec
002pHDAILY MX <= 9 SU Jan, Feb, Mar, Apr, Nov, Dec
002Oil & GreaseDAILY MX <= 10 mg/L Jan, Feb, Mar, Apr, Nov, Dec
002Debris, floating [severity]VALUE <= 0 N=0;Y=1 Jan, Feb, Mar, Apr, Nov, Dec
002Floating solids, waste or visible foam-visualVALUE <= 0 N=0;Y=1 Jan, Feb, Mar, Apr, Nov, Dec
002RainfallMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
002RainfallDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
002Flow, in conduit or thru treatment plantDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
002Flow, totalDAILY MX <= 0 gal May, Jun, Jul, Aug, Sep, Oct

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states