BH Mining Company LLC

NPDES permit CO0043168 · Minor NON-POTW · administratively continued, expires 2022-06-30 · 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 2022-06-30 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)
1of 27 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (80)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspended30DA AVG <= 20 mg/L all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Arsenic, total recoverable30DA AVG report only all year
001Iron, total recoverable30DA AVG <= 5400 ug/L all year
001Iron, total recoverable30DA AVG <= 19.5 lb/d all year
001Cadmium, total [as Cd]30DA AVG <= 50 ug/L all year
001Cadmium, total [as Cd]DAILY MX <= 100 ug/L all year
001Copper, total [as Cu]30DA AVG <= 150 ug/L all year
001Copper, total [as Cu]DAILY MX <= 300 ug/L all year
001Lead, total [as Pb]30DA AVG <= 300 ug/L all year
001Lead, total [as Pb]DAILY MX <= 600 ug/L all year
001Manganese, dissolved [as Mn]30DA AVG <= 2618 ug/L all year
001Manganese, dissolved [as Mn]DAILY MX <= 4738 ug/L all year
001Manganese, dissolved [as Mn]30DA AVG <= 6.38 lb/d all year
001Zinc, total [as Zn]30DA AVG <= 750 ug/L all year
001Zinc, total [as Zn]DAILY MX <= 1500 ug/L all year
001Zinc, potentially dissolved30DA AVG <= 740 ug/L all year
001Zinc, potentially dissolvedDAILY MX <= 564 ug/L all year
001Zinc, potentially dissolved30DA AVG <= 2.67 lb/d all year
001Silver, potentially dissolved30DA AVG report only all year
001Silver, potentially dissolvedDAILY MX report only all year
001Copper, potentially dissolved30DA AVG <= 64 ug/L all year
001Copper, potentially dissolvedDAILY MX <= 50 ug/L all year
001Arsenic, potentially dissolvedDAILY MX report only all year
001Cadmium, potentially dissolvd30DA AVG <= 4.7 ug/L all year
001Cadmium, potentially dissolvd30DA AVG <= 1.2 ug/L all year
001Cadmium, potentially dissolvdDAILY MX <= 5.7 ug/L all year
001Cadmium, potentially dissolvdDAILY MX <= 5.7 ug/L all year
001Cadmium, potentially dissolvd30DA AVG <= .008 lb/d all year
001Cadmium, potentially dissolvd30DA AVG <= .008 lb/d all year
001Chromium, trivalent, potentially dissolvd30DA AVG report only all year
001Chromium, trivalent, potentially dissolvdDAILY MX report only all year
001Lead, potentially dissolvd30DA AVG <= 11 ug/L all year
001Lead, potentially dissolvdDAILY MX <= 281 ug/L all year
001Nickel, potentially dissolvd30DA AVG report only all year
001Nickel, potentially dissolvdDAILY MX report only all year
001Selenium, potentially dissolvd30DA AVG report only all year
001Selenium, potentially dissolvdDAILY MX report only all year
001Oil and greaseINST MAX <= 10 mg/L all year
001Flow, in conduit or thru treatment plant30DA AVG <= .432 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Mercury, total low level30DA AVG report only all year
001Sulfide-hydrogen sulfide [undissociated]30DA AVG <= .002 mg/L all year
001Mercury, total [as Hg]30DA AVG <= 1 ug/L all year
001Mercury, total [as Hg]DAILY MX <= 2 ug/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
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspended30DA AVG <= 20 mg/L all year
002Solids, total suspendedDAILY MX <= 30 mg/L all year
002Cadmium, total [as Cd]30DA AVG <= 50 ug/L all year
002Cadmium, total [as Cd]DAILY MX <= 100 ug/L all year
002Copper, total [as Cu]30DA AVG <= 150 ug/L all year
002Copper, total [as Cu]DAILY MX <= 300 ug/L all year
002Lead, total [as Pb]30DA AVG <= 300 ug/L all year
002Lead, total [as Pb]DAILY MX <= 600 ug/L all year
002Zinc, total [as Zn]30DA AVG <= 750 ug/L all year
002Zinc, total [as Zn]DAILY MX <= 1500 ug/L all year
002Mercury, total [as Hg]30DA AVG <= 1 ug/L all year
002Mercury, total [as Hg]DAILY MX <= 2 ug/L all year
003Arsenic, total recoverable30DA AVG report only all year
003Iron, total recoverable30DA AVG report only all year
003Zinc, potentially dissolved30DA AVG report only all year
003Silver, potentially dissolved30DA AVG report only all year
003Copper, potentially dissolved30DA AVG report only all year
003Cadmium, potentially dissolvd30DA AVG report only all year
003Chromium, trivalent, potentially dissolvd30DA AVG report only all year
003Lead, potentially dissolvd30DA AVG report only all year
003Manganese, potentially dissolvd30DA AVG report only all year
003Nickel, potentially dissolvd30DA AVG report only all year
003Flow, in conduit or thru treatment plant30DA AVG report only all year
003Mercury, total [as Hg]30DA AVG 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