Energy Fuels Resources USA Inc

NPDES permit CO0047562 · Minor NON-POTW · administratively continued, expires 2020-02-29 · 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 2020-02-29 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 19 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 CO permits in EPA's filings — check your permit).

Limits in force (68)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspended30DA AVG <= 20 mg/L all year
001Solids, total suspendedMX 7D AV <= 30 mg/L all year
001Nitrogen, inorganic totalDAILY MX report only all year
001Arsenic, total recoverable30DA AVG <= 100 ug/L all year
001Arsenic, total recoverable30DA AVG <= 10 ug/L all year
001Iron, total recoverable30DA AVG report only all year
001Iron, total recoverable30DA AVG <= 1000 ug/L all year
001Iron, dissolved [as Fe]30DA AVG report only all year
001Manganese, dissolved [as Mn]30DA AVG <= 200 ug/L all year
001Manganese, dissolved [as Mn]30DA AVG <= 50 ug/L all year
001Manganese, dissolved [as Mn]DAILY MX report only all year
001Manganese, dissolved [as Mn]DAILY MX report only all year
001Zinc, total recoverable30DA AVG <= 500 ug/L all year
001Zinc, total recoverableDAILY MX <= 1000 ug/L all year
001Aluminum, total recoverable30DA AVG report only all year
001Aluminum, total recoverable30DA AVG <= 189 ug/L all year
001Aluminum, total recoverableDAILY MX report only all year
001Aluminum, total recoverableDAILY MX <= 1324 ug/L all year
001Vanadium, total recoverable30DA AVG report only all year
001Vanadium, total recoverableDAILY MX report only all year
001Molybdenum, total recoverable30DA AVG report only all year
001Zinc, potentially dissolved30DA AVG report only all year
001Zinc, potentially dissolved30DA AVG <= 65 ug/L all year
001Zinc, potentially dissolvedDAILY MX report only all year
001Zinc, potentially dissolvedDAILY MX <= 89 ug/L all year
001Silver, potentially dissolved30DA AVG report only all year
001Silver, potentially dissolvedDAILY MX report only all year
001Copper, potentially dissolved30DA AVG report only all year
001Copper, potentially dissolvedDAILY MX report only all year
001Cadmium, potentially dissolvd30DA AVG report only all year
001Cadmium, potentially dissolvdDAILY MX report only all year
001Lead, potentially dissolvd30DA AVG report only all year
001Lead, potentially dissolvd30DA AVG <= 1.2 ug/L all year
001Lead, potentially dissolvdDAILY MX report only all year
001Lead, potentially dissolvdDAILY MX <= 30 ug/L all year
001Nickel, potentially dissolvd30DA AVG report only all year
001Nickel, potentially dissolvdDAILY MX report only all year
001Selenium, potentially dissolvd30DA AVG <= 20 ug/L all year
001Selenium, potentially dissolvd30DA AVG <= 4.6 ug/L all year
001Selenium, potentially dissolvdDAILY MX report only all year
001Selenium, potentially dissolvdDAILY MX <= 18 ug/L all year
001Oil and greaseINST MAX <= 10 mg/L all year
001Chromium, trivalent total recoverableDAILY MX report only all year
001Radium 226, dissolved30DA AVG <= 3 pCi/L all year
001Radium 226, dissolvedDAILY MX <= 5 pCi/L all year
001Radium 226 + radium 228, totalDAILY MX <= 5 pCi/L all year
001Uranium, total30DA AVG <= 700 ug/L all year
001Uranium, total30DA AVG <= 30 ug/L all year
001Uranium, totalDAILY MX <= 1100 ug/L all year
001Uranium, totalDAILY MX <= 1100 ug/L all year
001Flow, in conduit or thru treatment plant30DA AVG <= .03 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Sulfide-hydrogen sulfide [undissociated]30DA AVG report only all year
001Sulfide-hydrogen sulfide [undissociated]30DA AVG <= .002 mg/L all year
001Solids, total dissolved30DA AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Mercury, total [as Hg]30DA AVG report only all year
001Chemical Oxygen Demand [COD]30DA AVG <= 100 mg/L all year
001Chemical Oxygen Demand [COD]DAILY MX <= 200 mg/L all year
001Oil and grease visualINST MAX report only all year
001Static Renewal 7 Day Chronic Ceriodaphnia dubiaSINGSAMP report only all year
001Static Renewal 7 Day Chronic Ceriodaphnia dubiaMN VALUE report only all year
001Static Renewal 7 Day Chronic Ceriodaphnia dubiaMN VALUE >= 100 tox chronic all year
001Static Renewal 7 Day Chronic Pimephales promelasSINGSAMP report only all year
001Static Renewal 7 Day Chronic Pimephales promelasMN VALUE report only all year
001Static Renewal 7 Day Chronic Pimephales promelasMN VALUE >= 100 tox chronic 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