SILVER OPPORTUNITY PARTNERS LLC

NPDES permit ID0000060 · Minor NON-POTW · administratively continued, expires 1996-09-09 · 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 1996-09-09 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 12 forms filed late

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

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (57)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9.5 SU all year
001Solids, total suspended30DA AVG <= 20 mg/L all year
001Solids, total suspendedDAILY MX <= 31.6 mg/L all year
001Solids, total suspended30DA AVG <= 467 lb/d all year
001Solids, total suspendedDAILY MX <= 738 lb/d all year
001Oil and grease [soxhlet extr.] tot.30DA AVG report only all year
001Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
001Hardness, total [as CaCO3]30DA AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Arsenic, total [as As]30DA AVG <= .286 mg/L all year
001Arsenic, total [as As]DAILY MX <= .602 mg/L all year
001Arsenic, total [as As]30DA AVG <= 6.7 lb/d all year
001Arsenic, total [as As]DAILY MX <= 14.1 lb/d all year
001Cadmium, total [as Cd]30DA AVG <= .051 mg/L all year
001Cadmium, total [as Cd]DAILY MX <= .106 mg/L all year
001Cadmium, total [as Cd]30DA AVG <= 1.2 lb/d all year
001Cadmium, total [as Cd]DAILY MX <= 2.5 lb/d all year
001Copper, total [as Cu]30DA AVG <= .192 mg/L all year
001Copper, total [as Cu]DAILY MX <= .387 mg/L all year
001Copper, total [as Cu]30DA AVG <= 4.5 lb/d all year
001Copper, total [as Cu]DAILY MX <= 9 lb/d all year
001Iron, total [as Fe]30DA AVG <= 1.115 mg/L all year
001Iron, total [as Fe]DAILY MX <= 2 mg/L all year
001Iron, total [as Fe]30DA AVG <= 26 lb/d all year
001Iron, total [as Fe]DAILY MX <= 46.7 lb/d all year
001Lead, total [as Pb]30DA AVG <= .274 mg/L all year
001Lead, total [as Pb]DAILY MX <= .55 mg/L all year
001Lead, total [as Pb]30DA AVG <= 6.4 lb/d all year
001Lead, total [as Pb]DAILY MX <= 12.8 lb/d all year
001Manganese, total [as Mn]30DA AVG <= .503 mg/L all year
001Manganese, total [as Mn]DAILY MX <= .886 mg/L all year
001Manganese, total [as Mn]30DA AVG <= 11.7 lb/d all year
001Manganese, total [as Mn]DAILY MX <= 20.7 lb/d all year
001Nickel, total [as Ni]30DA AVG <= .093 mg/L all year
001Nickel, total [as Ni]DAILY MX <= .149 mg/L all year
001Nickel, total [as Ni]30DA AVG <= 2.2 lb/d all year
001Nickel, total [as Ni]DAILY MX <= 3.5 lb/d all year
001Silver, total [as Ag]30DA AVG <= .025 mg/L all year
001Silver, total [as Ag]DAILY MX <= .048 mg/L all year
001Silver, total [as Ag]30DA AVG <= .6 lb/d all year
001Silver, total [as Ag]DAILY MX <= 1.1 lb/d all year
001Zinc, total [as Zn]30DA AVG <= .605 mg/L all year
001Zinc, total [as Zn]DAILY MX <= 1.227 mg/L all year
001Zinc, total [as Zn]30DA AVG <= 14.1 lb/d all year
001Zinc, total [as Zn]DAILY MX <= 28.6 lb/d all year
001Antimony, total [as Sb]30DA AVG <= .32 mg/L all year
001Antimony, total [as Sb]DAILY MX <= .681 mg/L all year
001Antimony, total [as Sb]30DA AVG <= 7.5 lb/d all year
001Antimony, total [as Sb]DAILY MX <= 15.9 lb/d all year
001Flow, in conduit or thru treatment plantDAILY MX <= 2.8 MGD all year
001Mercury, total [as Hg]30DA AVG <= .002 mg/L all year
001Mercury, total [as Hg]DAILY MX <= .0043 mg/L all year
001Mercury, total [as Hg]30DA AVG <= .05 lb/d all year
001Mercury, total [as Hg]DAILY MX <= .1 lb/d all year
001Gold, total [as Au]DAILY MX <= .0001 mg/L all year
001Gold, total [as Au]DAILY MX <= .002 lb/d 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