HILLSDALE WATER CORPORATION — NPDES permit IN0004804: limits, due date and EPA's record

NPDES permit IN0004804 · Minor NON-POTW · effective, expires 2027-12-31 · EPA's file as of 2026-09-19

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

Last period with anything received: 2026-06-30. Most often over: Solids, total suspended (2), Iron, total recoverable (1).

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).

Limits in force (11)

Outfall	Parameter	Statistic	Limit	Months
002	pH	DAILY MN	>= 6 SU	Mar, Jun, Sep, Dec
002	pH	DAILY MX	<= 9 SU	Mar, Jun, Sep, Dec
002	Solids, total suspended	MO AVG	<= 20 mg/L	Mar, Jun, Sep, Dec
002	Solids, total suspended	DAILY MX	<= 40 mg/L	Mar, Jun, Sep, Dec
002	Iron, total recoverable	MO AVG	<= 1.7 mg/L	Mar, Jun, Sep, Dec
002	Iron, total recoverable	DAILY MX	<= 4 mg/L	Mar, Jun, Sep, Dec
002	Flow, in conduit or thru treatment plant	MO AVG	report only	Mar, Jun, Sep, Dec
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	Mar, Jun, Sep, Dec
002	Chlorine, total residual	MO AVG	< .06 mg/L	Mar, Jun, Sep, Dec
002	Chlorine, total residual	DAILY MX	< .06 mg/L	Mar, Jun, Sep, Dec
002	Flow, total	QT	report only	Mar, Jun, Sep, Dec