Bayer Research and Development Services LLC — NPDES permit MS0058769: limits, due date and EPA's record

Cotton Ginning, Scott, Mississippi. NPDES permit MS0058769, in force until Feb 28, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Limits in force (31)

Parameter	Statistic	Limit	Months	Outfall
Oxygen, dissolved [DO]	minimum	report only (mg/L)	all year	001
Oxygen, dissolved [DO]	maximum	report only (mg/L)	all year	001
BOD, 5-day, 20 deg. C	maximum monthly average	≤ 30 mg/L	all year	001
BOD, 5-day, 20 deg. C	daily maximum	≤ 45 mg/L	all year	001
BOD, 5-day, 20 deg. C	maximum monthly average	≤ 3 lb/d	all year	001
BOD, 5-day, 20 deg. C	daily maximum	≤ 4.5 lb/d	all year	001
pH	minimum	≥ 6 SU	all year	001
pH	maximum	≤ 9 SU	all year	001
Solids, total suspended	maximum monthly average	≤ 30 mg/L	all year	001
Solids, total suspended	daily maximum	≤ 45 mg/L	all year	001
Solids, total suspended	maximum monthly average	≤ 3 lb/d	all year	001
Solids, total suspended	daily maximum	≤ 4.5 lb/d	all year	001
Flow, in conduit or thru treatment plant	maximum monthly average	≤ .012 MGD	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Chlorine, total residual	maximum monthly average	≤ .011 mg/L	all year	001
Chlorine, total residual	daily maximum	≤ .019 mg/L	all year	001
E. coli	maximum monthly average	≤ 126 #/100mL	all year	001
E. coli	daily maximum	≤ 410 #/100mL	all year	001
Sludge settleability 30 minute	minimum	report only (mL/L)	all year	001
Sludge settleability 30 minute	maximum	report only (mL/L)	all year	001
Temperature, water deg. fahrenheit	maximum monthly average	report only (deg F)	all year	002
Temperature, water deg. fahrenheit	daily maximum	≤ 90 deg F	all year	002
Oxygen, dissolved [DO]	minimum	≥ 6 mg/L	all year	002
BOD, 5-day, 20 deg. C	maximum monthly average	≤ 10 mg/L	all year	002
BOD, 5-day, 20 deg. C	daily maximum	≤ 15 mg/L	all year	002
pH	minimum	≥ 6 SU	all year	002
pH	maximum	≤ 9 SU	all year	002
Nitrogen, ammonia total [as N]	maximum monthly average	≤ 2 mg/L	all year	002
Nitrogen, ammonia total [as N]	daily maximum	≤ 3 mg/L	all year	002
Flow, in conduit or thru treatment plant	maximum monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/MS0058769 · MCP: https://passage-data.com/mcp