CAMECO RESOURCES-CROW BUTTE MINE

NPDES permit NE0130613 · Minor NON-POTW · effective, expires 2026-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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 28 days after each monitoring period ends (the most common figure among NE permits in EPA's filings — check your permit).

Limits in force (34)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Zinc, total [as Zn]MO AVG <= .5 mg/L all year
001Zinc, total [as Zn]DAILY MX <= 1 mg/L all year
001Application weekly spray irrigationDAILY MX report only all year
001Radium 226, totalMO AVG <= 10 pCi/L all year
001Radium 226, totalDAILY MX <= 30 pCi/L all year
001Radium 226, dissolvedMO AVG <= 3 pCi/L all year
001Radium 226, dissolvedDAILY MX <= 10 pCi/L all year
001Uranium, totalMO AVG <= 2 mg/L all year
001Uranium, totalDAILY MX <= 4 mg/L all year
001Chemical Oxygen Demand [COD]MO AVG <= 100 mg/L all year
001Chemical Oxygen Demand [COD]DAILY MX <= 200 mg/L all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 20 mg/L all year
002Solids, total suspendedDAILY MX <= 30 mg/L all year
002Chloride [as Cl]MO AVG report only all year
002Chloride [as Cl]DAILY MX report only all year
002Zinc, total [as Zn]MO AVG <= .5 mg/L all year
002Zinc, total [as Zn]DAILY MX <= 1 mg/L all year
002Application weekly spray irrigationDAILY MX report only all year
002Radium 226, totalMO AVG <= 10 pCi/L all year
002Radium 226, totalDAILY MX <= 30 pCi/L all year
002Radium 226, dissolvedMO AVG <= 3 pCi/L all year
002Radium 226, dissolvedDAILY MX <= 10 pCi/L all year
002Uranium, totalMO AVG <= 2 mg/L all year
002Uranium, totalDAILY MX <= 4 mg/L all year
002Chemical Oxygen Demand [COD]MO AVG <= 100 mg/L all year
002Chemical Oxygen Demand [COD]DAILY MX <= 200 mg/L 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