ROCKFORD, CITY OF

NPDES permit ILS000001 · Minor NON-POTW · effective, expires 2031-04-30 · 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.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 10 forms filed late

Last period with anything received: 2026-04-30.

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among IL permits in EPA's filings — check your permit).

Limits in force (90)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeSX report only all year
001BOD, 5-day, 20 deg. CSX report only all year
001pHSM report only all year
001pHSX report only all year
001Solids, total suspendedSX report only all year
001Oil & GreaseSX report only all year
001Nitrogen, total [as N]SX report only all year
001Nitrogen, Kjeldahl, total [as N]SX report only all year
001Phosphorus, total [as P]SX report only all year
001Hardness, total [as CaCO3]SX report only all year
001Cadmium, total [as Cd]SX report only all year
001Copper, total [as Cu]SX report only all year
001Lead, total [as Pb]SX report only all year
001Zinc, total [as Zn]SX report only all year
001Solids, total dissolvedSX report only all year
001Mercury, total [as Hg]SX report only all year
001Coliform, fecal generalSX report only all year
001Chemical Oxygen Demand [COD]SX report only all year
002Temperature, water deg. centigradeSX report only all year
002BOD, 5-day, 20 deg. CSX report only all year
002pHSM report only all year
002pHSX report only all year
002Solids, total suspendedSX report only all year
002Oil & GreaseSX report only all year
002Nitrogen, total [as N]SX report only all year
002Nitrogen, Kjeldahl, total [as N]SX report only all year
002Phosphorus, total [as P]SX report only all year
002Hardness, total [as CaCO3]SX report only all year
002Cadmium, total [as Cd]SX report only all year
002Copper, total [as Cu]SX report only all year
002Lead, total [as Pb]SX report only all year
002Zinc, total [as Zn]SX report only all year
002Solids, total dissolvedSX report only all year
002Mercury, total [as Hg]SX report only all year
002Coliform, fecal generalSX report only all year
002Chemical Oxygen Demand [COD]SX report only all year
003Temperature, water deg. centigradeSX report only all year
003BOD, 5-day, 20 deg. CSX report only all year
003pHSM report only all year
003pHSX report only all year
003Solids, total suspendedSX report only all year
003Oil & GreaseSX report only all year
003Nitrogen, total [as N]SX report only all year
003Nitrogen, Kjeldahl, total [as N]SX report only all year
003Phosphorus, total [as P]SX report only all year
003Hardness, total [as CaCO3]SX report only all year
003Cadmium, total [as Cd]SX report only all year
003Copper, total [as Cu]SX report only all year
003Lead, total [as Pb]SX report only all year
003Zinc, total [as Zn]SX report only all year
003Solids, total dissolvedSX report only all year
003Mercury, total [as Hg]SX report only all year
003Coliform, fecal generalSX report only all year
003Chemical Oxygen Demand [COD]SX report only all year
004Temperature, water deg. centigradeSX report only all year
004BOD, 5-day, 20 deg. CSX report only all year
004pHSM report only all year
004pHSX report only all year
004Solids, total suspendedSX report only all year
004Oil & GreaseSX report only all year
004Nitrogen, total [as N]SX report only all year
004Nitrogen, Kjeldahl, total [as N]SX report only all year
004Phosphorus, total [as P]SX report only all year
004Hardness, total [as CaCO3]SX report only all year
004Cadmium, total [as Cd]SX report only all year
004Copper, total [as Cu]SX report only all year
004Lead, total [as Pb]SX report only all year
004Zinc, total [as Zn]SX report only all year
004Solids, total dissolvedSX report only all year
004Mercury, total [as Hg]SX report only all year
004Coliform, fecal generalSX report only all year
004Chemical Oxygen Demand [COD]SX report only all year
005Temperature, water deg. centigradeSX report only all year
005BOD, 5-day, 20 deg. CSX report only all year
005pHSM report only all year
005pHSX report only all year
005Solids, total suspendedSX report only all year
005Oil & GreaseSX report only all year
005Nitrogen, total [as N]SX report only all year
005Nitrogen, Kjeldahl, total [as N]SX report only all year
005Phosphorus, total [as P]SX report only all year
005Hardness, total [as CaCO3]SX report only all year
005Cadmium, total [as Cd]SX report only all year
005Copper, total [as Cu]SX report only all year
005Lead, total [as Pb]SX report only all year
005Zinc, total [as Zn]SX report only all year
005Solids, total dissolvedSX report only all year
005Mercury, total [as Hg]SX report only all year
005Coliform, fecal generalSX report only all year
005Chemical Oxygen Demand [COD]SX 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