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Imerys Kaolin Inc.

Kaolin And Ball Clay, Jeffersonville, Georgia. NPDES permit GA0003395 expired Aug 31, 2022; its limits still apply. Last 12 months: over a limit 9 times (last September 2026), 188 required values missing, 31 of 79 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form 1 monthly (20 values), outfall 009 form 1 monthly (24 values), outfall 012 form 1 monthly (24 values), outfall 021 form 1 monthly (24 values), outfall 025 form 1 monthly (24 values), outfall 038 form 1 monthly (24 values), and 1 more form
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 84 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
April 2026Selenium, total [as Se], daily average.0107 mg/L≤ .005 mg/L114%
April 2026Selenium, total [as Se], daily average.0514 lb/d≤ .049 lb/d5%
April 2026Selenium, total [as Se], daily maximum.012 mg/L≤ .008 mg/L50%
May 2026Selenium, total [as Se], daily average.0051 mg/L≤ .005 mg/L2%
May 2026Selenium, total [as Se], daily average.0051 mg/L≤ .005 mg/L2%
August 2026Selenium, total [as Se], daily average.007 mg/L≤ .005 mg/L40%
September 2026Selenium, total [as Se], daily average.0067 mg/L≤ .005 mg/L34%
September 2026Solids, total suspended, daily average54.6 mg/L≤ 25 mg/L118%
September 2026Solids, total suspended, daily maximum64.9 mg/L≤ 45 mg/L44%

Limits in force (164)

ParameterStatisticLimitMonthsOutfall
Turbiditydaily averagereport only (NTU)all year001
Turbiditydaily maximumreport only (NTU)all year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 8.5 SUall year001
Solids, total suspendeddaily average≤ 25 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Oil & Greasedaily average≤ 10 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Phosphorus, total [as P]daily averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Cadmium, total [as Cd]daily averagereport only (mg/L)all year001
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year001
Cadmium, total [as Cd]daily averagereport only (lb/d)all year001
Cadmium, total [as Cd]daily maximumreport only (lb/d)all year001
Selenium, total [as Se]daily average≤ .005 mg/Lall year001
Selenium, total [as Se]daily maximum≤ .008 mg/Lall year001
Selenium, total [as Se]daily average≤ .049 lb/dall year001
Selenium, total [as Se]daily maximum≤ .072 lb/dall year001
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Turbiditydaily averagereport only (NTU)all year009
Turbiditydaily maximumreport only (NTU)all year009
pHdaily minimum≥ 6 SUall year009
pHdaily maximum≤ 8.5 SUall year009
Solids, total suspendeddaily average≤ 25 mg/Lall year009
Solids, total suspendeddaily maximum≤ 45 mg/Lall year009
Oil & Greasedaily average≤ 10 mg/Lall year009
Oil & Greasedaily maximum≤ 15 mg/Lall year009
Phosphorus, total [as P]daily averagereport only (mg/L)all year009
Phosphorus, total [as P]daily maximumreport only (mg/L)all year009
Cadmium, total [as Cd]daily averagereport only (mg/L)all year009
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year009
Cadmium, total [as Cd]daily averagereport only (lb/d)all year009
Cadmium, total [as Cd]daily maximumreport only (lb/d)all year009
Copper, total [as Cu]daily average≤ .008 mg/Lall year009
Copper, total [as Cu]daily maximum≤ .011 mg/Lall year009
Copper, total [as Cu]daily average≤ .06 lb/dall year009
Copper, total [as Cu]daily maximum≤ .079 lb/dall year009
Selenium, total [as Se]daily average≤ .005 mg/Lall year009
Selenium, total [as Se]daily maximum≤ .008 mg/Lall year009
Selenium, total [as Se]daily average≤ .049 lb/dall year009
Selenium, total [as Se]daily maximum≤ .072 lb/dall year009
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year009
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year009
Turbiditydaily averagereport only (NTU)all year012
Turbiditydaily maximumreport only (NTU)all year012
pHdaily minimum≥ 6 SUall year012
pHdaily maximum≤ 8.5 SUall year012
Solids, total suspendeddaily average≤ 25 mg/Lall year012
Solids, total suspendeddaily maximum≤ 45 mg/Lall year012
Oil & Greasedaily average≤ 10 mg/Lall year012
Oil & Greasedaily maximum≤ 15 mg/Lall year012
Phosphorus, total [as P]daily averagereport only (mg/L)all year012
Phosphorus, total [as P]daily maximumreport only (mg/L)all year012
Cadmium, total [as Cd]daily averagereport only (mg/L)all year012
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year012
Cadmium, total [as Cd]daily averagereport only (lb/d)all year012
Cadmium, total [as Cd]daily maximumreport only (lb/d)all year012
Copper, total [as Cu]daily average≤ .008 mg/Lall year012
Copper, total [as Cu]daily maximum≤ .011 mg/Lall year012
Copper, total [as Cu]daily average≤ .06 lb/dall year012
Copper, total [as Cu]daily maximum≤ .079 lb/dall year012
Selenium, total [as Se]daily average≤ .005 mg/Lall year012
Selenium, total [as Se]daily maximum≤ .008 mg/Lall year012
Selenium, total [as Se]daily average≤ .049 lb/dall year012
Selenium, total [as Se]daily maximum≤ .072 lb/dall year012
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year012
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year012
Turbiditydaily averagereport only (NTU)all year021
Turbiditydaily maximumreport only (NTU)all year021
pHdaily minimum≥ 6 SUall year021
pHdaily maximum≤ 8.5 SUall year021
Solids, total suspendeddaily average≤ 25 mg/Lall year021
Solids, total suspendeddaily maximum≤ 45 mg/Lall year021
Oil & Greasedaily average≤ 10 mg/Lall year021
Oil & Greasedaily maximum≤ 15 mg/Lall year021
Phosphorus, total [as P]daily averagereport only (mg/L)all year021
Phosphorus, total [as P]daily maximumreport only (mg/L)all year021
Cadmium, total [as Cd]daily averagereport only (mg/L)all year021
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year021
Cadmium, total [as Cd]daily averagereport only (lb/d)all year021
Cadmium, total [as Cd]daily maximumreport only (lb/d)all year021
Copper, total [as Cu]daily average≤ .008 mg/Lall year021
Copper, total [as Cu]daily maximum≤ .011 mg/Lall year021
Copper, total [as Cu]daily average≤ .06 lb/dall year021
Copper, total [as Cu]daily maximum≤ .079 lb/dall year021
Selenium, total [as Se]daily average≤ .005 mg/Lall year021
Selenium, total [as Se]daily maximum≤ .008 mg/Lall year021
Selenium, total [as Se]daily average≤ .049 lb/dall year021
Selenium, total [as Se]daily maximum≤ .072 lb/dall year021
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year021
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year021
Turbiditydaily averagereport only (NTU)all year025
Turbiditydaily maximumreport only (NTU)all year025
pHdaily minimum≥ 6 SUall year025
pHdaily maximum≤ 8.5 SUall year025
Solids, total suspendeddaily average≤ 25 mg/Lall year025
Solids, total suspendeddaily maximum≤ 45 mg/Lall year025
Oil & Greasedaily average≤ 10 mg/Lall year025
Oil & Greasedaily maximum≤ 15 mg/Lall year025
Phosphorus, total [as P]daily averagereport only (mg/L)all year025
Phosphorus, total [as P]daily maximumreport only (mg/L)all year025
Cadmium, total [as Cd]daily averagereport only (mg/L)all year025
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year025
Cadmium, total [as Cd]daily averagereport only (lb/d)all year025
Cadmium, total [as Cd]daily maximumreport only (lb/d)all year025
Copper, total [as Cu]daily average≤ .008 mg/Lall year025
Copper, total [as Cu]daily maximum≤ .011 mg/Lall year025
Copper, total [as Cu]daily average≤ .119 lb/dall year025
Copper, total [as Cu]daily maximum≤ .159 lb/dall year025
Selenium, total [as Se]daily average≤ .005 mg/Lall year025
Selenium, total [as Se]daily maximum≤ .008 mg/Lall year025
Selenium, total [as Se]daily average≤ .049 lb/dall year025
Selenium, total [as Se]daily maximum≤ .072 lb/dall year025
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year025
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year025
Turbiditydaily averagereport only (NTU)all year038
Turbiditydaily maximumreport only (NTU)all year038
pHdaily minimum≥ 6 SUall year038
pHdaily maximum≤ 8.5 SUall year038
Solids, total suspendeddaily average≤ 25 mg/Lall year038
Solids, total suspendeddaily maximum≤ 45 mg/Lall year038
Oil & Greasedaily average≤ 10 mg/Lall year038
Oil & Greasedaily maximum≤ 15 mg/Lall year038
Phosphorus, total [as P]daily averagereport only (mg/L)all year038
Phosphorus, total [as P]daily maximumreport only (mg/L)all year038
Cadmium, total [as Cd]daily averagereport only (mg/L)all year038
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year038
Cadmium, total [as Cd]daily averagereport only (lb/d)all year038
Cadmium, total [as Cd]daily maximumreport only (lb/d)all year038
Copper, total [as Cu]daily average≤ .008 mg/Lall year038
Copper, total [as Cu]daily maximum≤ .011 mg/Lall year038
Copper, total [as Cu]daily average≤ .062 lb/dall year038
Copper, total [as Cu]daily maximum≤ .082 lb/dall year038
Selenium, total [as Se]daily average≤ .005 mg/Lall year038
Selenium, total [as Se]daily maximum≤ .008 mg/Lall year038
Selenium, total [as Se]daily average≤ .049 lb/dall year038
Selenium, total [as Se]daily maximum≤ .072 lb/dall year038
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year038
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year038
Turbiditydaily averagereport only (NTU)all year039
Turbiditydaily maximumreport only (NTU)all year039
pHdaily minimum≥ 6 SUall year039
pHdaily maximum≤ 8.5 SUall year039
Solids, total suspendeddaily average≤ 25 mg/Lall year039
Solids, total suspendeddaily maximum≤ 45 mg/Lall year039
Oil & Greasedaily average≤ 10 mg/Lall year039
Oil & Greasedaily maximum≤ 15 mg/Lall year039
Phosphorus, total [as P]daily average≤ 1 mg/Lall year039
Phosphorus, total [as P]daily maximum≤ 1.5 mg/Lall year039
Cadmium, total [as Cd]daily averagereport only (mg/L)all year039
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year039
Cadmium, total [as Cd]daily averagereport only (lb/d)all year039
Cadmium, total [as Cd]daily maximumreport only (lb/d)all year039
Copper, total [as Cu]daily average≤ .008 mg/Lall year039
Copper, total [as Cu]daily maximum≤ .011 mg/Lall year039
Copper, total [as Cu]daily average≤ .062 lb/dall year039
Copper, total [as Cu]daily maximum≤ .082 lb/dall year039
Selenium, total [as Se]daily average≤ .005 mg/Lall year039
Selenium, total [as Se]daily maximum≤ .008 mg/Lall year039
Selenium, total [as Se]daily average≤ .049 lb/dall year039
Selenium, total [as Se]daily maximum≤ .072 lb/dall year039
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year039
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year039

How strict are these limits?

Cited limits by parameter: Georgia's rules and the federal ones.

Same industry: the 55 Mining and Quarrying of Nonmetallic Minerals permits in Georgia.

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Your permit document is the final word. As JSON: /api/v1/permits/GA0003395 · MCP: https://passage-data.com/mcp