Ryegate Associates — NPDES permit VT0020893: limits, due date and EPA's record

Industrial or other facility, East Ryegate, Vermont. NPDES permit VT0020893 expired Jun 30, 2026; its limits still apply. Last 12 months: no values over a limit, 15 required values missing. Source: EPA ECHO, Oct 22, 2026.

Limits in force (20)

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. fahrenheit	daily maximum	≤ 90 deg F	May–Sep	001
Temperature, water deg. fahrenheit	daily maximum	≤ 90 deg F	Jan, Feb, Mar, Apr, Oct, Nov, Dec	001
pH	minimum	≥ 6.5 SU	all year	001
pH	maximum	≤ 8.5 SU	all year	001
Solids, total suspended	monthly average	≤ 30 mg/L	all year	001
Solids, total suspended	daily maximum	≤ 100 mg/L	all year	001
Oil & Grease	monthly average	≤ 15 mg/L	all year	001
Oil & Grease	daily maximum	≤ 20 mg/L	all year	001
Oxidants, total residual	instantaneous maximum	≤ .5 mg/L	all year	001
Oxidants, free available	average	≤ .1 mg/L	all year	001
Oxidants, free available	instantaneous maximum	≤ .25 mg/L	all year	001
Duration	daily maximum	≤ 2 hr/d	all year	001
Flow, in conduit or thru treatment plant	daily maximum	≤ 65000 gal/d	all year	001
Chlorine, total residual	instantaneous maximum	≤ 1 mg/L	all year	001
Chlorine, free available	average	≤ .2 mg/L	all year	001
Chlorine, free available	instantaneous maximum	≤ .5 mg/L	all year	001
Turbidity	daily maximum	report only (NTU)	May–Oct	002
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	May–Oct	002
pH	daily maximum	report only (SU)	May–Oct	002
Solids, total suspended	daily maximum	report only (mg/L)	May–Oct	002

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/VT0020893 · MCP: https://passage-data.com/mcp