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Nys Dept of Env Conservation

Fish Hatcheries And Preserves, Mayville, New York. NPDES permit NY0035441, in force until Dec 31, 2026. Last 12 months: over a limit 6 times (last August 2026), 6 required values missing, 9 of 36 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (17 values), outfall 003 form M monthly (11 values), outfall 004 form M monthly (11 values)
Renewal application due
Jul 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 2 required values missing, 0 of 36 reports late

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

Period endingParameterReportedLimitOver by
January 2026Phosphorus, total [as P], 12-month total24.761 lb/yr≤ 22.4 lb/yr11%
February 2026Phosphorus, total [as P], 12-month total24.577 lb/yr≤ 22.4 lb/yr10%
April 2026Phosphorus, total [as P], 12-month total24.369 lb/yr≤ 22.4 lb/yr9%
April 2026pH, maximum8.7 SU≤ 8.5 SU—
May 2026Phosphorus, total [as P], 12-month total23.838 lb/yr≤ 22.4 lb/yr6%
August 2026Phosphorus, total [as P], 12-month total23.084 lb/yr≤ 22.4 lb/yr3%

Limits in force (39)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Streamflowdaily averagereport only (cfs)all year001
Hydrogen peroxidedaily maximum≤ 11.5 mg/Lall year001
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 8.5 SUall year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]12-month total≤ 22.4 lb/yrall year001
Chloride [as Cl]daily maximum≤ 1300 mg/Lall year001
Hatchery flowdaily averagereport only (gal/min)all year001
Terramycindaily maximum≤ 84 mg/Lall year001
Formalindaily maximum≤ 44 mg/Lall year001
Diquat productdaily maximum≤ .35 mg/Lall year001
Chloramine, totaldaily maximum≤ 5.6 mg/Lall year001
Potassium permanganatedaily maximum≤ 3.4 mg/Lall year001
Hatchery flow treated [GPM]daily averagereport only (gal/min)all year001
Volume, totalmonthly totalreport only (gal)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year003
Flow, gallons/batchtotalreport only (gal/bat)all year003
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year003
BOD, 5-day, 20 deg. Cdaily maximum≤ 5 mg/LJun–Oct003
pHminimum≥ 6.5 SUall year003
pHmaximum≤ 8.5 SUall year003
Solids, total suspendeddaily maximum≤ 15 mg/Lall year003
Solids, settleabledaily maximum≤ .2 mL/Lall year003
Nitrogen, ammonia total [as N]daily maximum≤ 1.16 mg/Lall year003
Phosphorus, total [as P]daily maximumreport only (mg/L)all year003
Coliform, total generaldaily maximumreport only (#/100mL)all year003
Temperature, water deg. centigradedaily maximumreport only (deg C)all year004
Flow, gallons/batchtotalreport only (gal/bat)all year004
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year004
BOD, 5-day, 20 deg. Cdaily maximum≤ 5 mg/LJun–Oct004
pHminimum≥ 6.5 SUall year004
pHmaximum≤ 8.5 SUall year004
Solids, total suspendeddaily maximum≤ 15 mg/Lall year004
Solids, settleabledaily maximum≤ .2 mL/Lall year004
Nitrogen, ammonia total [as N]daily maximum≤ 1.16 mg/Lall year004
Phosphorus, total [as P]daily maximumreport only (mg/L)all year004
Coliform, total generaldaily maximumreport only (#/100mL)all year004

How strict are these limits?

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

Same industry: the 13 Fishing, Hunting and Trapping permits in New York.

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Your permit document is the final word. As JSON: /api/v1/permits/NY0035441 · MCP: https://passage-data.com/mcp