CONNECTICUT GALVANIZING, DIV. OF HIGHWAY SAFETY CORP

NPDES permit CT0030449 · Minor NON-POTW · administratively continued, expires 2023-04-30 · 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.

This permit expired on 2023-04-30 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)
3of 33 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 (56)

OutfallParameterStatisticLimitMonths
101Oxygen demand, chem. [low level] [COD]INST MAX report only all year
101pHINST MIN >= 5 SU all year
101pHINST MAX <= 9 SU all year
101Solids, total suspendedINST MAX <= 90 mg/L all year
101Oil & GreaseINST MAX <= 5 mg/L all year
101Nitrogen, ammonia total [as N]INST MAX report only all year
101Nitrogen, nitrate total [as N]INST MAX report only all year
101Nitrogen, Kjeldahl, total [as N]INST MAX report only all year
101Phosphorus, total [as P]INST MAX report only all year
101Chromium, total [as Cr]INST MAX report only all year
101Copper, dissolved [as Cu]INST MAX report only all year
101Copper, total [as Cu]INST MAX report only all year
101Iron, total [as Fe]INST MAX report only all year
101Lead, dissolved [as Pb]INST MAX report only all year
101Lead, total [as Pb]INST MAX report only all year
101Nickel, total [as Ni]INST MAX report only all year
101Zinc, dissolved [as Zn]INST MAX report only all year
101Zinc, total [as Zn]INST MAX report only all year
101Aluminum, total [as Al]INST MAX report only all year
101LC50 Static 48Hr Acute D. PulexMINIMUM >= 100 % all year
101LC50 Static 48Hr Acute Pimephales promelasMINIMUM >= 100 % all year
102Oxygen demand, chem. [low level] [COD]INST MAX report only all year
102pHINST MIN >= 5 SU all year
102pHINST MAX <= 9 SU all year
102Solids, total suspendedINST MAX <= 90 mg/L all year
102Oil & GreaseINST MAX <= 5 mg/L all year
102Nitrogen, ammonia total [as N]INST MAX report only all year
102Nitrogen, nitrate total [as N]INST MAX report only all year
102Nitrogen, Kjeldahl, total [as N]INST MAX report only all year
102Phosphorus, total [as P]INST MAX report only all year
102Chromium, total [as Cr]INST MAX report only all year
102Copper, total [as Cu]INST MAX report only all year
102Lead, total [as Pb]INST MAX report only all year
102Nickel, total [as Ni]INST MAX report only all year
102Zinc, total [as Zn]INST MAX report only all year
102Aluminum, total [as Al]INST MAX report only all year
102NOAEL Static 48Hr Acute D. pulexMINIMUM >= 90 % all year
102NOAEL Static 48Hr Acute Pimephales promelasINST MIN >= 90 % all year
103Oxygen demand, chem. [low level] [COD]INST MAX report only all year
103pHINST MIN >= 5 SU all year
103pHINST MAX <= 9 SU all year
103Solids, total suspendedINST MAX <= 90 mg/L all year
103Oil & GreaseINST MAX <= 5 mg/L all year
103Nitrogen, ammonia total [as N]INST MAX report only all year
103Nitrogen, nitrate total [as N]INST MAX report only all year
103Nitrogen, Kjeldahl, total [as N]INST MAX report only all year
103Phosphorus, total [as P]INST MAX report only all year
103Chromium, total [as Cr]INST MAX report only all year
103Copper, total [as Cu]INST MAX report only all year
103Iron, total [as Fe]INST MAX report only all year
103Lead, total [as Pb]INST MAX report only all year
103Nickel, total [as Ni]INST MAX report only all year
103Zinc, total [as Zn]INST MAX report only all year
103Aluminum, total [as Al]INST MAX report only all year
103NOAEL Static 48Hr Acute D. pulexMINIMUM >= 90 % all year
103NOAEL Static 48Hr Acute Pimephales promelasMINIMUM >= 90 % 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