LA GRANDE, CITY OF

NPDES permit OR0020460 · Major POTW · administratively continued, expires 2008-10-31 · 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 2008-10-31 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 11 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 (25)

OutfallParameterStatisticLimitMonths
004BOD, 5-day, 20 deg. CMO AVG report only all year
004pHDAILY MN report only all year
004pHDAILY MX report only all year
004Solids, total suspendedMO AVG report only all year
004Nitrogen, ammonia total [as N]DAILY MX report only all year
004Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
004Nitrite + Nitrate total [as N]DAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Chlorine, total residualMO AVG report only all year
004Chlorine, total residualDAILY MX report only all year
004E. coliMO GEOMN <= 126 #/100mL all year
004E. coliSINGSAMP <= 406 #/100mL all year
004E. coliLA report only all year
004E. coliMO GEO <= 126 #/100mL all year
004E. coliDAILY MX <= 406 #/100mL all year
004E. coliLA <= 126 #/100mL all year
004E. coliDAILY MX report only all year
004Detention timeMINIMUM >= 4320 min all year
004Detention timeMINIMUM >= 3 d all year
004Detention timeMINIMUM >= 3 d all year
004Chlorine usageMO AVG report only all year
004Chlorine usageDAILY MX 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