PCS Phosphate Company, Inc. — NPDES permit MO0128155: limits, due date and EPA's record

NPDES permit MO0128155 · Minor NON-POTW · administratively continued, expires 2023-03-31 · EPA's file as of 2026-09-19

This permit expired on 2023-03-31 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 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (24)

Outfall	Parameter	Statistic	Limit	Months
002	pH	MINIMUM	>= 6 SU	all year
002	pH	MAXIMUM	<= 9 SU	all year
002	Solids, total suspended	DAILY MX	<= 150 mg/L	all year
002	Solids, total suspended	MO AVG	<= 50 mg/L	all year
002	Nitrogen, total [as N]	DAILY MX	report only	all year
002	Nitrogen, total [as N]	MO AVG	report only	all year
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
002	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
002	Phosphorus, total [as P]	DAILY MX	<= 105 mg/L	all year
002	Phosphorus, total [as P]	MO AVG	<= 35 mg/L	all year
002	Fluoride, total [as F]	DAILY MX	<= 75 mg/L	all year
002	Fluoride, total [as F]	MO AVG	<= 25 mg/L	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Depth to water level ft below landsurface	DAILY MX	report only	all year
002	Depth to water level ft below landsurface	MO AVG	report only	all year
002	Precipitation volume	DAILY MX	report only	all year
002	Precipitation volume	DAILY MX	report only	all year
002	Precipitation volume	MO AVG	report only	all year
002	Precipitation volume	MO AVG	report only	all year
002	Chemical oxygen demand [COD]	DAILY MX	report only	all year
002	Chemical oxygen demand [COD]	MO AVG	report only	all year
002	Chlorides + Sulfates	DAILY MX	report only	all year
002	Chlorides + Sulfates	MO AVG	report only	all year