The Chemours Company FC LLC — NPDES permit FL0000051: limits, due date and EPA's record

Metal Ores, major discharger, Starke, Florida. NPDES permit FL0000051, in force until Dec 8, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Limits in force (49)

Parameter	Statistic	Limit	Months	Outfall
pH	daily minimum	≥ 6 SU	all year	001
pH	daily maximum	≤ 8.5 SU	all year	001
Solids, total suspended	daily maximum	≤ 30 mg/L	all year	001
Solids, total suspended	monthly average	≤ 20 mg/L	all year	001
Hardness, total [as CaCO3]	maximum	report only (mg/L)	all year	001
Iron, total recoverable	daily maximum	≤ 1 mg/L	all year	001
Iron, total recoverable	daily maximum	≤ 2 mg/L	all year	001
Iron, total recoverable	monthly average	≤ 1 mg/L	all year	001
Iron, total recoverable	monthly average	≤ 1 mg/L	all year	001
Nickel, total recoverable	maximum	report only (ug/L)	all year	001
Nickel, total recoverable	maximum	report only (ug/L)	all year	001
Nickel, total recoverable	maximum	≤ 0 ug/L	all year	001
Zinc, total recoverable	maximum	report only (ug/L)	all year	001
Zinc, total recoverable	maximum	report only (ug/L)	all year	001
Zinc, total recoverable	maximum	≤ 0 ug/L	all year	001
Radium 226 + radium 228, total	daily maximum	≤ 5 pCi/L	all year	001
Flow, in conduit or thru treatment plant	daily maximum	≤ 40 MGD	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly total	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	annual average	report only (MGD)	all year	001
Mercury, total recoverable	daily maximum	report only (ug/L)	all year	001
IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas	minimum	≥ 100 %	all year	001
IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas	minimum	≥ 100 %	all year	001
IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas	minimum	≥ 100 %	all year	001
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia	minimum	≥ 100 %	all year	001
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia	minimum	≥ 100 %	all year	001
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia	minimum	≥ 100 %	all year	001
pH	daily minimum	≥ 6 SU	all year	002
pH	daily maximum	≤ 8.5 SU	all year	002
Solids, total suspended	monthly average	≤ 30 mg/L	all year	002
Solids, total suspended	daily maximum	≤ 20 mg/L	all year	002
Hardness, total [as CaCO3]	maximum	report only (mg/L)	all year	002
Iron, total recoverable	daily maximum	≤ 1 mg/L	all year	002
Iron, total recoverable	monthly average	≤ 1 mg/L	all year	002
Nickel, total recoverable	maximum	report only (ug/L)	all year	002
Nickel, total recoverable	maximum	report only (ug/L)	all year	002
Nickel, total recoverable	maximum	≤ 0 ug/L	all year	002
Zinc, total recoverable	daily maximum	report only (ug/L)	all year	002
Zinc, total recoverable	daily maximum	report only (ug/L)	all year	002
Zinc, total recoverable	daily maximum	≤ 0 ug/L	all year	002
Radium 226 + radium 228, total	daily maximum	≤ 5 pCi/L	all year	002
Flow, in conduit or thru treatment plant	monthly total	report only (Mgal/mo)	all year	002
Mercury, total recoverable	daily maximum	report only (mg/L)	all year	002
IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas	minimum	≥ 100 %	all year	002
IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas	minimum	≥ 100 %	all year	002
IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas	minimum	≥ 100 %	all year	002
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia	minimum	≥ 100 %	all year	002
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia	minimum	≥ 100 %	all year	002
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia	minimum	≥ 100 %	all year	002

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/FL0000051 · MCP: https://passage-data.com/mcp