UMATILLA, CITY OF

NPDES permit OR0044709 · Minor NON-POTW · administratively continued, expires 2023-06-30 · 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 2023-06-30 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 22 forms filed late

Last period with anything received: 2026-07-31.

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 (24)

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 Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Flow rateDAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001ConductivityDAILY MX report only all year
001Oxygen, dissolved [DO]VALUE report only Apr
001BOD, 5-day, 20 deg. CVALUE report only Apr
001Oxygen demand, chem. [COD], dissolvedVALUE report only Apr
001pHDAILY MN >= 4.5 SU all year
001pHDAILY MX <= 9 SU all year
001pHMO MAX report only Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Alkalinity, total [as CaCO3]MO MAX report only all year
001Alkalinity, total [as CaCO3]MO MAX report only Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspendedVALUE report only Apr
001Nitrogen, ammonia total [as N]MO MAX report only all year
001Carbon, tot organic [TOC]VALUE report only Apr
001Flow, in conduit or thru treatment plantDAILY MX <= 0 MGD all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG <= .05 mg/L all year
001Chlorine, total residualDAILY MX <= .05 mg/L all year
001Solids, total dissolvedDAILY MX <= 1500 mg/L all year
001Solids, total dissolvedQB report only Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Report due [yrmoda]VALUE report only all year

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