Firstlight CT Housatonic LLC

NPDES permit CT0030803 · Minor NON-POTW · effective, expires 2028-09-30 · 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 24 forms filed late

Last period with anything received: 2026-03-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among CT permits in EPA's filings — check your permit).

Limits in force (45)

OutfallParameterStatisticLimitMonths
101pHINST MIN >= 6.5 SU Mar, Sep
101pHINST MIN report only Mar, Sep
101pHINST MAX <= 8 SU Mar, Sep
101pHINST MAX report only Mar, Sep
101Oil & GreaseINST MAX report only Mar, Sep
101Oil & GreaseINST MAX report only Mar, Sep
101FlowDAILY MX report only Mar, Sep
101FlowDAILY MX report only Mar, Sep
102pHINST MIN >= 6.5 SU Mar, Sep
102pHINST MIN report only Mar, Sep
102pHINST MAX <= 8 SU Mar, Sep
102pHINST MAX report only Mar, Sep
102Oil & GreaseDAILY MX report only Mar, Sep
102Oil & GreaseINST MAX report only Mar, Sep
102FlowDAILY MX report only Mar, Sep
102FlowDAILY MX report only Mar, Sep
103pHINST MIN >= 6.5 SU Mar, Sep
103pHINST MAX <= 8 SU Mar, Sep
103pHINST MAX report only Mar, Sep
103Oil & GreaseINST MAX report only Mar, Sep
103Oil & GreaseINST MAX report only Mar, Sep
103FlowDAILY MX report only Mar, Sep
103FlowDAILY MX report only Mar, Sep
104pHINST MIN >= 6.5 SU Mar, Sep
104pHINST MIN report only Mar, Sep
104pHINST MAX <= 8 SU Mar, Sep
104pHINST MAX report only Mar, Sep
104Oil & GreaseINST MAX report only Mar, Sep
104Oil & GreaseINST MAX report only Mar, Sep
104FlowDAILY MX report only Mar, Sep
104FlowDAILY MX report only Mar, Sep
105pHINST MIN >= 6.5 SU Mar, Sep
105pHINST MIN report only Mar, Sep
105pHINST MAX <= 8 SU Mar, Sep
105pHINST MAX report only Mar, Sep
105Oil & GreaseINST MAX report only Mar, Sep
105Oil & GreaseINST MAX report only Mar, Sep
105FlowDAILY MX report only Mar, Sep
105FlowDAILY MX report only Mar, Sep
106pHINST MAX report only Mar, Sep
106pHINST MAX report only Mar, Sep
106Oil & GreaseINST MAX report only Mar, Sep
106Oil & GreaseINST MAX report only Mar, Sep
106FlowDAILY MX report only Mar, Sep
106FlowDAILY MX report only Mar, Sep

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