Eagle Peaks Mining LLC

NPDES permit CO0048971 · Minor NON-POTW · administratively continued, expires 2021-06-30 · 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 2021-06-30 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 4 forms filed late

Last period with anything received: 2026-06-30.

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 (14)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU (alert) all year
001pHMAXIMUM <= 9 SU (alert) all year
001Solids, total suspendedQRTR AVG <= 100 mg/L (alert) all year
001Arsenic, total [as As]QRTR AVG <= 150 ug/L (alert) all year
001Cadmium, total [as Cd]QRTR AVG <= 2.3 ug/L (alert) all year
001Copper, total [as Cu]QRTR AVG <= 15.6 ug/L (alert) all year
001Iron, total [as Fe]QRTR AVG <= 1000 ug/L (alert) all year
001Lead, total [as Pb]QRTR AVG <= 95 ug/L (alert) all year
001Nickel, total [as Ni]QRTR AVG <= 520 ug/L (alert) all year
001Silver, total [as Ag]QRTR AVG <= 4.6 ug/L (alert) all year
001Zinc, total [as Zn]QRTR AVG <= 130 ug/L (alert) all year
001Selenium, total [as Se]QRTR AVG <= 5 ug/L (alert) all year
001Mercury, total [as Hg]QRTR AVG <= 1.4 ug/L (alert) all year
001Turbidity, lab, NTUQRTR AVG <= 50 NTU (alert) 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