Indianapolis Executive Airport

NPDES permit INRM00004 · Minor NON-POTW · administratively continued, expires 2020-02-15 · 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 2020-02-15 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

EPA's file shows no filings for this permit in this window. That is a statement about the file, not about the facility.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among IN permits in EPA's filings — check your permit).

Outfall SCCE, form RA (Sector C - Chemical Manufacturing Effluent Limitations): files every 12 months; EPA's filings do not show which
Outfall SCDE, form RA (Sector D - Effluent Limitations on Asphalt Emulsion Facilities): files every 12 months; EPA's filings do not show which
Outfall SCEE, form RA (Sector E - Effluent Limitations on material storage pile at cement manufacturing facilities): files every 12 months; EPA's filings do not show which

Limits in force (9)

Outfall	Parameter	Statistic	Limit	Months
SCCE	Phosphorus, total [as P]	DAILY MX	<= 105 mg/L	all year
SCCE	Fluoride, total [as F]	DAILY MX	<= 75 mg/L	all year
SCDE	pH	DAILY MN	>= 6 SU	all year
SCDE	pH	DAILY MX	<= 9 SU	all year
SCDE	Solids, total suspended	DAILY MX	<= 23 mg/L	all year
SCDE	Oil & Grease	DAILY MX	<= 15 mg/L	all year
SCEE	pH	DAILY MN	>= 6 SU	Mar, Jun, Sep, Dec
SCEE	pH	DAILY MX	<= 9 SU	Mar, Jun, Sep, Dec
SCEE	Solids, total suspended	DAILY MX	<= 50 mg/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