US FISH AND WILDLIFE SERVICE - HOTCHKISS NATIONAL FISH HATCHERY

NPDES permit CO0000086 · Minor FEDERAL · effective, expires 2027-12-31 · 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
90required values missing, on 6 form(s)
17of 24 forms filed late

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

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 (31)

OutfallParameterStatisticLimitMonths
001ISolids, total dissolvedDAILY MX report only all year
002pHMINIMUM >= 6.5 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
002Solids, total suspended30DA AVG <= 801 lb/d all year
002Solids, total suspendedDAILY MX <= 1201 lb/d all year
002Oil & GreaseDAILY MX <= 10 mg/L all year
002Floating solids, waste or visible foam-visualINST MAX <= 0 N=0;Y=1 all year
002Chlorine, total residual30DA AVG <= .011 mg/L all year
002Chlorine, total residualDAILY MX <= .019 mg/L all year
002Solids, total dissolvedDAILY MX report only all year
002Solids, total dissolvedDAILY MX report only all year
002Flow30DA AVG report only all year
002FlowDAILY MX report only all year
002Oil and grease visualINST MAX <= 0 N=0;Y=1 all year
004pHMINIMUM >= 6.5 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspended30DA AVG <= 20 mg/L all year
004Solids, total suspendedDAILY MX <= 30 mg/L all year
004Solids, total suspended30DA AVG <= 801 lb/d all year
004Solids, total suspendedDAILY MX <= 1201 lb/d all year
004Oil & GreaseINST MAX <= 10 mg/L all year
004Floating solids, waste or visible foam-visualINST MAX <= 0 N=0;Y=1 all year
004Chlorine, total residual30DA AVG <= .011 mg/L all year
004Chlorine, total residualDAILY MX <= .019 mg/L all year
004Solids, total dissolvedDAILY MX report only all year
004Solids, total dissolvedDAILY MX report only all year
004Flow30DA AVG report only all year
004FlowDAILY MX report only all year
004Oil and grease visualINST MAX <= 0 N=0;Y=1 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