AMERENENERGY MEDINA COGEN LLC — NPDES permit IL0004120: limits, due date and EPA's record

NPDES permit IL0004120 · Minor NON-POTW · administratively continued, expires 2025-05-31 · EPA's file as of 2026-09-19

This permit expired on 2025-05-31 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

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among IL permits in EPA's filings — check your permit).

Limits in force (158)

Outfall	Parameter	Statistic	Limit	Months
002	pH	MO MIN	>= 6 SU	all year
002	pH	MO MIN	>= 6 SU	all year
002	pH	MO MAX	<= 9 SU	all year
002	pH	MO MAX	<= 9 SU	all year
002	Solids, total suspended	30DA AVG	<= 15 mg/L	all year
002	Solids, total suspended	30DA AVG	<= 15 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 30 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 30 mg/L	all year
002	Oil & Grease	DAILY MX	report only	all year
002	Oil & Grease	DAILY MX	report only	all year
002	Cyanide, total [as CN]	DAILY MX	report only	all year
002	Cyanide, total [as CN]	DAILY MX	report only	all year
002	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
002	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
002	Chloride [as Cl]	DAILY MX	report only	all year
002	Chloride [as Cl]	DAILY MX	report only	all year
002	Sulfate, total [as SO4]	DAILY MX	report only	all year
002	Sulfate, total [as SO4]	DAILY MX	report only	all year
002	Fluoride, total [as F]	DAILY MX	report only	all year
002	Fluoride, total [as F]	DAILY MX	report only	all year
002	Arsenic, total [as As]	DAILY MX	report only	all year
002	Arsenic, total [as As]	DAILY MX	report only	all year
002	Barium, total [as Ba]	DAILY MX	report only	all year
002	Barium, total [as Ba]	DAILY MX	report only	all year
002	Boron, total [as B]	DAILY MX	report only	all year
002	Boron, total [as B]	DAILY MX	report only	all year
002	Cadmium, total [as Cd]	DAILY MX	report only	all year
002	Cadmium, total [as Cd]	DAILY MX	report only	all year
002	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
002	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
002	Chromium, total [as Cr]	DAILY MX	report only	all year
002	Chromium, total [as Cr]	DAILY MX	report only	all year
002	Copper, total [as Cu]	DAILY MX	report only	all year
002	Copper, total [as Cu]	DAILY MX	report only	all year
002	Iron, total [as Fe]	DAILY MX	report only	all year
002	Iron, total [as Fe]	DAILY MX	report only	all year
002	Iron, dissolved [as Fe]	DAILY MX	report only	all year
002	Iron, dissolved [as Fe]	DAILY MX	report only	all year
002	Lead, total [as Pb]	DAILY MX	report only	all year
002	Lead, total [as Pb]	DAILY MX	report only	all year
002	Manganese, total [as Mn]	DAILY MX	report only	all year
002	Manganese, total [as Mn]	DAILY MX	report only	all year
002	Nickel, total [as Ni]	DAILY MX	report only	all year
002	Nickel, total [as Ni]	DAILY MX	report only	all year
002	Nickel, total [as Ni]	DAILY MX	report only	all year
002	Nickel, total [as Ni]	DAILY MX	report only	all year
002	Silver, total [as Ag]	DAILY MX	report only	all year
002	Silver, total [as Ag]	DAILY MX	report only	all year
002	Zinc, total [as Zn]	DAILY MX	report only	all year
002	Zinc, total [as Zn]	DAILY MX	report only	all year
002	Zinc, total [as Zn]	DAILY MX	report only	all year
002	Zinc, total [as Zn]	DAILY MX	report only	all year
002	Selenium, total [as Se]	DAILY MX	report only	all year
002	Selenium, total [as Se]	DAILY MX	report only	all year
002	Oil and grease	30DA AVG	<= 15 mg/L	all year
002	Oil and grease	30DA AVG	<= 15 mg/L	all year
002	Oil and grease	DAILY MX	<= 20 mg/L	all year
002	Oil and grease	DAILY MX	<= 20 mg/L	all year
002	Phenolics, total recoverable	DAILY MX	report only	all year
002	Phenolics, total recoverable	DAILY MX	report only	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Mercury, total [as Hg]	DAILY MX	report only	all year
002	Mercury, total [as Hg]	DAILY MX	report only	all year
003	Oil & Grease	DAILY MX	report only	all year
003	Oil & Grease	DAILY MX	report only	all year
003	Cyanide, total [as CN]	DAILY MX	report only	all year
003	Cyanide, total [as CN]	DAILY MX	report only	all year
003	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
003	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
003	Chloride [as Cl]	DAILY MX	report only	all year
003	Chloride [as Cl]	DAILY MX	report only	all year
003	Sulfate, total [as SO4]	DAILY MX	report only	all year
003	Sulfate, total [as SO4]	DAILY MX	report only	all year
003	Fluoride, total [as F]	DAILY MX	report only	all year
003	Fluoride, total [as F]	DAILY MX	report only	all year
003	Arsenic, total [as As]	DAILY MX	report only	all year
003	Arsenic, total [as As]	DAILY MX	report only	all year
003	Barium, total [as Ba]	DAILY MX	report only	all year
003	Barium, total [as Ba]	DAILY MX	report only	all year
003	Boron, total [as B]	DAILY MX	report only	all year
003	Boron, total [as B]	DAILY MX	report only	all year
003	Cadmium, total [as Cd]	DAILY MX	report only	all year
003	Cadmium, total [as Cd]	DAILY MX	report only	all year
003	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
003	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
003	Chromium, total [as Cr]	DAILY MX	report only	all year
003	Chromium, total [as Cr]	DAILY MX	report only	all year
003	Copper, total [as Cu]	DAILY MX	report only	all year
003	Copper, total [as Cu]	DAILY MX	report only	all year
003	Iron, total [as Fe]	DAILY MX	report only	all year
003	Iron, total [as Fe]	DAILY MX	report only	all year
003	Iron, dissolved [as Fe]	DAILY MX	report only	all year
003	Iron, dissolved [as Fe]	DAILY MX	report only	all year
003	Lead, total [as Pb]	DAILY MX	report only	all year
003	Lead, total [as Pb]	DAILY MX	report only	all year
003	Manganese, total [as Mn]	DAILY MX	report only	all year
003	Manganese, total [as Mn]	DAILY MX	report only	all year
003	Nickel, total [as Ni]	DAILY MX	report only	all year
003	Nickel, total [as Ni]	DAILY MX	report only	all year
003	Silver, total [as Ag]	DAILY MX	report only	all year
003	Silver, total [as Ag]	DAILY MX	report only	all year
003	Zinc, total [as Zn]	DAILY MX	report only	all year
003	Zinc, total [as Zn]	DAILY MX	report only	all year
003	Selenium, total [as Se]	DAILY MX	report only	all year
003	Selenium, total [as Se]	DAILY MX	report only	all year
003	Phenolics, total recoverable	DAILY MX	report only	all year
003	Phenolics, total recoverable	DAILY MX	report only	all year
003	Mercury, total [as Hg]	DAILY MX	report only	all year
003	Mercury, total [as Hg]	DAILY MX	report only	all year
005	Oil & Grease	DAILY MX	report only	all year
005	Oil & Grease	DAILY MX	report only	all year
005	Cyanide, total [as CN]	DAILY MX	report only	all year
005	Cyanide, total [as CN]	DAILY MX	report only	all year
005	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
005	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
005	Chloride [as Cl]	DAILY MX	report only	all year
005	Chloride [as Cl]	DAILY MX	report only	all year
005	Sulfate, total [as SO4]	DAILY MX	report only	all year
005	Sulfate, total [as SO4]	DAILY MX	report only	all year
005	Fluoride, total [as F]	DAILY MX	report only	all year
005	Fluoride, total [as F]	DAILY MX	report only	all year
005	Arsenic, total [as As]	DAILY MX	report only	all year
005	Arsenic, total [as As]	DAILY MX	report only	all year
005	Barium, total [as Ba]	DAILY MX	report only	all year
005	Barium, total [as Ba]	DAILY MX	report only	all year
005	Boron, total [as B]	DAILY MX	report only	all year
005	Boron, total [as B]	DAILY MX	report only	all year
005	Cadmium, total [as Cd]	DAILY MX	report only	all year
005	Cadmium, total [as Cd]	DAILY MX	report only	all year
005	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
005	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
005	Chromium, total [as Cr]	DAILY MX	report only	all year
005	Chromium, total [as Cr]	DAILY MX	report only	all year
005	Copper, total [as Cu]	DAILY MX	report only	all year
005	Copper, total [as Cu]	DAILY MX	report only	all year
005	Iron, total [as Fe]	DAILY MX	report only	all year
005	Iron, total [as Fe]	DAILY MX	report only	all year
005	Iron, dissolved [as Fe]	DAILY MX	report only	all year
005	Iron, dissolved [as Fe]	DAILY MX	report only	all year
005	Lead, total [as Pb]	DAILY MX	report only	all year
005	Lead, total [as Pb]	DAILY MX	report only	all year
005	Manganese, total [as Mn]	DAILY MX	report only	all year
005	Manganese, total [as Mn]	DAILY MX	report only	all year
005	Nickel, total [as Ni]	DAILY MX	report only	all year
005	Nickel, total [as Ni]	DAILY MX	report only	all year
005	Silver, total [as Ag]	DAILY MX	report only	all year
005	Silver, total [as Ag]	DAILY MX	report only	all year
005	Zinc, total [as Zn]	DAILY MX	report only	all year
005	Zinc, total [as Zn]	DAILY MX	report only	all year
005	Selenium, total [as Se]	DAILY MX	report only	all year
005	Selenium, total [as Se]	DAILY MX	report only	all year
005	Phenolics, total recoverable	DAILY MX	report only	all year
005	Phenolics, total recoverable	DAILY MX	report only	all year
005	Mercury, total [as Hg]	DAILY MX	report only	all year
005	Mercury, total [as Hg]	DAILY MX	report only	all year