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POET Biorefining - Fairmont, LLC

Industrial Organic Chemicals, Fairmont, Nebraska. NPDES permit NE0137839, in force until Sep 30, 2027. Last 12 months: over a limit 4 times (last June 2026), 14 required values missing, 5 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A yearly (4 values), form M quarterly (8 values), form Q quarterly (8 values)
Renewal application due
Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 2 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
May 2026Chlorine, total residual, daily maximum.02966 mg/L≤ .02 mg/L48%
May 2026Chlorine, total residual, monthly average.02966 mg/L≤ .01 mg/L197%
June 2026Chlorine, total residual, daily maximum.438 mg/L≤ .02 mg/L2090%
June 2026Chlorine, total residual, monthly average.146 mg/L≤ .01 mg/L1360%

Limits in force (28)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg Fall year
Conductivitymonthly averagereport only (umho/cm)Jan, Feb, Mar, Oct, Nov, Dec
Conductivitymonthly average≤ 5160 umho/cmApr, May
Conductivitymonthly average≤ 2394 umho/cmJun–Sep
Conductivitydaily maximumreport only (umho/cm)Jan, Feb, Mar, Oct, Nov, Dec
Conductivitydaily maximum≤ 6262 umho/cmApr, May
Conductivitydaily maximum≤ 3492 umho/cmJun–Sep
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Chloride [as Cl]monthly average≤ 362 mg/LJan, Feb, Nov, Dec
Chloride [as Cl]monthly average≤ 472 mg/LMar–May
Chloride [as Cl]monthly average≤ 281 mg/LJun–Oct
Chloride [as Cl]daily maximum≤ 528 mg/LJan, Feb, Nov, Dec
Chloride [as Cl]daily maximum≤ 947 mg/LMar–May
Chloride [as Cl]daily maximum≤ 409 mg/LJun–Oct
Hydrocarbons, total gas chromatographmonthly averagereport only (mg/L)all year
Hydrocarbons, total gas chromatographdaily maximum≤ 10 mg/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .01 mg/Lall year
Chlorine, total residualdaily maximum≤ .02 mg/Lall year
Toxicity [acute], Ceriodaphnia dubiavalue≤ 1 tox acuteall year
Toxicity [acute], Pimephales promelas [Fathead Minnow]value≤ 1 tox acuteall year
Chemical Oxygen Demand [COD]monthly averagereport only (mg/L)all year
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year

How strict are these limits?

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

Same industry: the 31 Chemicals and Allied Products permits in Nebraska.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NE0137839 · MCP: https://passage-data.com/mcp