Nevada Department of Wildlife (Ndow) — NPDES permit NV0020656: limits, due date and EPA's record

Fish Hatcheries And Preserves, Ruby Valley, Nevada. NPDES permit NV0020656 expired Jan 31, 2023; its limits still apply. Last 12 months: no values over a limit, 84 required values missing, 5 of 32 reports late. Source: EPA ECHO, Oct 22, 2026.

Limits in force (53)

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. centigrade	30-day average	report only (deg C)	all year	100
Temperature, water deg. centigrade	30-day average	report only (deg C)	all year	100
Temperature, water deg. centigrade	daily maximum	report only (deg C)	all year	100
Temperature, water deg. centigrade	daily maximum	report only (deg C)	all year	100
Oxygen, dissolved [DO]	daily minimum	report only (mg/L)	all year	100
Oxygen, dissolved [DO]	daily minimum	report only (mg/L)	all year	100
Oxygen, dissolved [DO]	30-day average	report only (mg/L)	all year	100
Oxygen, dissolved [DO]	30-day average	report only (mg/L)	all year	100
BOD, 5-day, 20 deg. C	quarterly average	report only (mg/L)	all year	100
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	100
Solids, total suspended	quarterly average	report only (mg/L)	all year	100
Solids, total suspended	daily maximum	report only (mg/L)	all year	100
Nitrogen, total [as N]	quarterly average	report only (mg/L)	all year	100
Nitrogen, total [as N]	daily maximum	report only (mg/L)	all year	100
Phosphorus, total [as P]	quarterly average	report only (mg/L)	all year	100
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	100
pH, maximum	daily maximum	report only (SU)	all year	100
pH, maximum	daily maximum	report only (SU)	all year	100
pH, maximum	maximum monthly average	report only (SU)	all year	100
pH, maximum	maximum monthly average	report only (SU)	all year	100
pH, minimum	daily minimum	report only (SU)	all year	100
pH, minimum	daily minimum	report only (SU)	all year	100
pH, minimum	monthly average minimum	report only (SU)	all year	100
pH, minimum	monthly average minimum	report only (SU)	all year	100
Solids, total dissolved	quarterly average	report only (mg/L)	all year	100
Solids, total dissolved	daily maximum	report only (mg/L)	all year	100
Temperature, water deg. centigrade	daily maximum	≤ 20 deg C	all year	101
Temperature, water deg. centigrade	daily maximum	≤ 20 deg C	all year	101
Flow rate	30-day average	≤ 6.05 MGD	all year	101
Flow rate	30-day average	≤ 6.05 MGD	all year	101
Flow rate	daily maximum	≤ 6.05 MGD	all year	101
Flow rate	daily maximum	≤ 6.05 MGD	all year	101
Oxygen, dissolved [DO]	daily minimum	≥ 6 mg/L	all year	101
Oxygen, dissolved [DO]	daily minimum	≥ 6 mg/L	all year	101
Oxygen, dissolved [DO]	monthly average minimum	≥ 6 mg/L	all year	101
Oxygen, dissolved [DO]	monthly average minimum	≥ 6 mg/L	all year	101
BOD, 5-day, 20 deg. C	quarterly average	≤ 4 mg/L	all year	101
BOD, 5-day, 20 deg. C	daily maximum	≤ 5 mg/L	all year	101
pH	30-day average	report only (SU)	all year	101
pH	30-day average	report only (SU)	all year	101
Solids, total suspended	quarterly average	≤ 10 mg/L	all year	101
Solids, total suspended	daily maximum	≤ 15 mg/L	all year	101
Nitrogen, total [as N]	quarterly average	report only (mg/L)	all year	101
Nitrogen, total [as N]	daily maximum	report only (mg/L)	all year	101
Nitrogen, ammonia total [as N]	daily maximum	≤ 1 Ratio	all year	101
Nitrogen, ammonia total [as N]	daily maximum	≤ 1 Ratio	all year	101
Nitrogen, ammonia total [as N]	maximum 30-day average	≤ 1 Ratio	all year	101
Phosphorus, total [as P]	daily maximum	≤ .1 mg/L	all year	101
pH, maximum	daily maximum	≤ 9 SU	all year	101
pH, maximum	daily maximum	≤ 9 SU	all year	101
pH, minimum	daily minimum	≥ 6.5 SU	all year	101
pH, minimum	daily minimum	≥ 6.5 SU	all year	101
Solids, total dissolved	daily maximum	≤ 500 mg/L	all year	101

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/NV0020656 · MCP: https://passage-data.com/mcp