BLACK BUTTE RANCH CORPORATION

NPDES permit OR0034037 · Minor NON-POTW · administratively continued, expires 2026-04-30 · 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 2026-04-30 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
22required values missing, on 1 form(s)
1of 31 forms filed late

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

Reporting

Reports are due about 16 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (38)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Temperature, water deg. centigradeMO MAX report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Temperature, water deg. centigradeMX 7D AV report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Flow rateMO MIN report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Flow rateMO MAX report only Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 15 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 23 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CDAILY MX <= 46 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 20 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 34 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001pHDAILY MN >= 6 SU Jan, Feb, Mar, Apr, May, Nov, Dec
001pHDAILY MX <= 9 SU Jan, Feb, Mar, Apr, May, Nov, Dec
001pHMO MIN report only all year
001pHMO MAX report only all year
001pHMO MIN report only Jan, Feb, Mar, Apr, May, Nov, Dec
001pHMO MAX report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedMO AVG <= 15 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedMO AVG <= 23 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedDAILY MX <= 46 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG <= 20 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedWKLY AVG <= 34 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 7 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 14 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Flow, in conduit or thru treatment plantDAILY MX <= 0 MGD Jun, Jul, Aug, Sep, Oct
001Flow, in conduit or thru treatment plantDAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
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 Jan, Feb, Mar, Apr, May, Nov, Dec
001Chlorine, total residualDAILY MX <= .05 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001E. coliMO GEO <= 126 #/100mL Jan, Feb, Mar, Apr, May, Nov, Dec
001E. coliDAILY MX <= 406 #/100mL Jan, Feb, Mar, Apr, May, Nov, Dec
001E. coliMO GEO <= 126 #/100mL Jan, Feb, Mar, Apr, May, Nov, Dec
001E. coliDAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, percent removalMO AV MN >= 85 % Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, suspended percent removalMO AV MN >= 85 % Jan, Feb, Mar, Apr, May, Nov, Dec

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