Prior Lake-Spring Lake Watershed District

NPDES permit MN0067377 · Minor NON-POTW · expired, expires 2025-08-31 · 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 2025-08-31 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

0values over a limit
0required values missing, on 0 form(s)
0of 8 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 21 days after each monitoring period ends (the most common figure among MN permits in EPA's filings — check your permit).

Limits in force (13)

OutfallParameterStatisticLimitMonths
D004pHQC report only all year
D004pHQB report only all year
D004Solids, total suspendedQRTR AVG report only all year
D004Phosphorus, total [as P]QRTR AVG report only all year
D004Flow, in conduit or thru treatment plantQRTR AVG report only all year
D004Flow, in conduit or thru treatment plantQT report only all year
D004Phosphorous, in total orthophosphateQRTR AVG report only all year
W005Stream flow, instantaneousQRTR AVG report only all year
W005pHQC report only all year
W005pHQB report only all year
W005Solids, total suspendedQRTR AVG report only all year
W005Phosphorus, total [as P]QRTR AVG report only all year
W005Phosphorous, in total orthophosphateQRTR AVG 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