Hartzell Propeller: Hartzell Airport Site

NPDES permit OH0112445 · Minor NON-POTW · effective, expires 2030-03-31 · 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.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

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

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (10)

OutfallParameterStatisticLimitMonths
001Flow rateMO AVG report only all year
001Flow rateDAILY MX report only all year
001pHDAILY MN report only all year
001pHDAILY MX report only all year
001TetrachloroethyleneMO AVG <= 5 ug/L all year
001TetrachloroethyleneDAILY MX <= 5 ug/L all year
0011,1,1-TrichloroethaneMO AVG <= 5 ug/L all year
0011,1,1-TrichloroethaneDAILY MX <= 10 ug/L all year
001TrichloroethyleneMO AVG <= 5 ug/L all year
001TrichloroethyleneDAILY MX <= 5 ug/L 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