TILCON CONNECTICUT INC.

NPDES permit CT0030155 · Minor NON-POTW · administratively continued, expires 2016-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2016-05-31 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)
2of 11 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 31 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (18)

OutfallParameterStatisticLimitMonths
001Flow rateMO AVG report only all year
001Oxygen demand, chem. [low level] [COD]INST MAX report only all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedINST MAX report only all year
001Nitrogen, nitrate total [as N]INST MAX report only all year
001Nitrogen, Kjeldahl, total [as N]INST MAX report only all year
001Phosphorus, total [as P]INST MAX report only all year
001Copper, total [as Cu]INST MAX report only all year
001Lead, total [as Pb]INST MAX <= .00914 mg/L all year
001Zinc, total [as Zn]INST MAX report only all year
001Oil petroleum, total recoverableINST MAX report only all year
001Flow, maximum during 24 hr periodDAILY MX <= 378000 gal/d all year
001FlowDAILY MX <= 378000 gal/d all year
001NOAEL Static 48Hr Acute D. pulexINST MIN >= 90 % Jun, Oct
001NOAEL Static 48Hr Acute D. pulexINST MIN report only Jan, Feb, Mar, Apr, May, Jul, Aug, Sep, Nov, Dec
001NOAEL Static 48Hr Acute Pimephales promelasINST MIN >= 90 % Jun, Oct
001NOAEL Static 48Hr Acute Pimephales promelasINST MIN report only Jan, Feb, Mar, Apr, May, Jul, Aug, Sep, Dec

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