KNOLL INC

NPDES permit PA0011070 · Minor NON-POTW · expired, expires 2026-03-31 · 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 2026-03-31 and is expired: 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

2values over a limit
19required values missing, on 2 form(s)
0of 23 forms filed late

Last period with anything received: 2026-06-30. Most often over: Chlorine, total residual (1), Nitrogen, ammonia total [as N] (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among PA permits in EPA's filings — check your permit).

Limits in force (38)

OutfallParameterStatisticLimitMonths
001Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
001pHDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Oil & GreaseDAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG <= .5 mg/L all year
001Phosphorus, total [as P]MO AVG <= .02 lb/d all year
001Iron, dissolved [as Fe]DAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
002Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
002pHDAILY MX report only all year
002Solids, total suspendedDAILY MX report only all year
002Oil & GreaseDAILY MX report only all year
002Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002Iron, dissolved [as Fe]DAILY MX report only all year
002BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
003Solids, total suspendedDAILY MX report only all year
003Oil & GreaseDAILY MX report only all year
201pHINST MIN >= 6 SU all year
201pHINST MAX <= 9 SU all year
201Solids, total suspendedMO AVG <= 30 mg/L all year
201Solids, total suspendedDAILY MX <= 45 mg/L all year
201Solids, total suspendedMO AVG <= 1.251 lb/d all year
201Solids, total suspendedDAILY MX <= 1.88 lb/d all year
201Nitrogen, ammonia total [as N]MO AVG <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct
201Nitrogen, ammonia total [as N]MO AVG <= 20 mg/L Jan, Feb, Mar, Apr, Nov, Dec
201Nitrogen, ammonia total [as N]MO AVG <= .417 lb/d May, Jun, Jul, Aug, Sep, Oct
201Nitrogen, ammonia total [as N]MO AVG <= .834 lb/d Jan, Feb, Mar, Apr, Nov, Dec
201Flow, in conduit or thru treatment plantMO AVG report only all year
201Chlorine, total residualMO AVG <= .5 mg/L all year
201Chlorine, total residualINST MAX <= 1.3 mg/L all year
201Coliform, fecal generalGEO MEAN <= 200 #/100mL all year
201Coliform, fecal generalINST MAX <= 1000 #/100mL all year
201BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
201BOD, carbonaceous [5 day, 20 C]DAILY MX <= 40 mg/L all year
201BOD, carbonaceous [5 day, 20 C]MO AVG <= 1.04 lb/d all year
201BOD, carbonaceous [5 day, 20 C]DAILY MX <= 1.668 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