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Keystone Potato Prod LLC

Potato Chips And Similar Snacks, Hegins, Pennsylvania. NPDES permit PA0064351 expired Nov 30, 2024; its limits still apply. Last 12 months: over a limit 8 times (last May 2026), 22 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (18 values), outfall 101 form A monthly (2 values), outfall 201 form A monthly (2 values), outfall 003 form S twice a year
Last report on file
June 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 38 reports late

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

Period endingParameterReportedLimitOver by
November 2025Cadmium, total [as Cd], monthly average.5 ug/L≤ .413 ug/L21%
November 2025Nitrogen, ammonia total [as N], daily maximum40 mg/L≤ 23.4 mg/L71%
November 2025Nitrogen, ammonia total [as N], monthly average15.6 mg/L≤ 11.7 mg/L33%
December 2025Nitrogen, ammonia total [as N], daily maximum26.4 mg/L≤ 23.4 mg/L13%
December 2025Nitrogen, ammonia total [as N], monthly average13 mg/L≤ 11.7 mg/L11%
February 2026Iron, dissolved [as Fe], monthly average.51 mg/L≤ .3 mg/L70%
May 2026Nitrogen, ammonia total [as N], daily maximum39.8 mg/L≤ 23.4 mg/L70%
May 2026Nitrogen, ammonia total [as N], monthly average16.3 mg/L≤ 11.7 mg/L39%

Limits in force (28)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 38 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 75.9 lb/dall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 122.8 lb/dall year001
Solids, total suspendeddaily maximum≤ 245.5 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 11.7 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 23.4 mg/Lall year001
Cadmium, total [as Cd]monthly average≤ .413 ug/Lall year001
Copper, total [as Cu]monthly average≤ 13.7 ug/Lall year001
Iron, total [as Fe]monthly average≤ 1.5 mg/Lall year001
Iron, dissolved [as Fe]monthly average≤ .3 mg/Lall year001
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year001
Zinc, total [as Zn]monthly average≤ 120 ug/Lall year001
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year003
Oxygen demand, chem. [high level] [COD]daily maximum≤ 120 mg/Lall year003
pHdaily maximumreport only (SU)all year003
Solids, total suspendeddaily maximum≤ 100 mg/Lall year003
Oil & Greasedaily maximum≤ 30 mg/Lall year003
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year201
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year201

How strict are these limits?

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

Same industry: the 74 Food and Kindred Products permits in Pennsylvania.

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Your permit document is the final word. As JSON: /api/v1/permits/PA0064351 · MCP: https://passage-data.com/mcp