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Purdue U. Wade Physical Plant

Colleges And Universities, West Lafayette, Indiana. NPDES permit IN0003859, in force until May 31, 2027. Last 12 months: no values over a limit, 2 of 28 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (27 values), outfall 001 form AQ quarterly (4 values), outfall 101 form A monthly (14 values)
Renewal application due
Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 28 reports late

Limits in force (49)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 60 mg/Lall year001
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year001
Phosphorus, total [as P]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec001
Phosphorus, total [as P]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec001
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year001
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year001
Chloride [as Cl]monthly averagereport only (mg/L)all year001
Chloride [as Cl]daily maximumreport only (mg/L)all year001
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year001
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year001
Selenium, total recoverablemonthly averagereport only (ug/L)all year001
Selenium, total recoverabledaily maximumreport only (ug/L)all year001
Zinc, total recoverablemonthly averagereport only (ug/L)all year001
Zinc, total recoverabledaily maximumreport only (ug/L)all year001
Lead, total recoverablemonthly averagereport only (ug/L)all year001
Lead, total recoverabledaily maximumreport only (ug/L)all year001
Copper, total recoverablemonthly averagereport only (ug/L)all year001
Copper, total recoverabledaily maximumreport only (ug/L)all 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
Chlorine, total residualmonthly average< .06 mg/Lall year001
Chlorine, total residualdaily maximum< .06 mg/Lall year001
Mercury, total recoverablemonthly averagereport only (ng/L)Feb, Apr, Jun, Aug, Oct, Dec001
Mercury, total recoverablemonthly average≤ 12 ng/LFeb, Apr, Jun, Aug, Oct, Dec001
Mercury, total recoverabledaily maximumreport only (ng/L)Feb, Apr, Jun, Aug, Oct, Dec001
Mercury, total recoverabledaily maximum≤ 20 ng/LFeb, Apr, Jun, Aug, Oct, Dec001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
pHdaily minimum≥ 6 SUall year101
pHdaily maximum≤ 9 SUall year101
Solids, total suspendedmonthly averagereport only (mg/L)all year101
Solids, total suspendeddaily maximum≤ 50 mg/Lall year101
Iron, total recoverablemonthly average≤ 3.5 mg/Lall year101
Iron, total recoverabledaily maximum≤ 7 mg/Lall year101
Selenium, total recoverablemonthly averagereport only (ug/L)all year101
Selenium, total recoverabledaily maximumreport only (ug/L)all year101
Zinc, total recoverablemonthly averagereport only (ug/L)all year101
Zinc, total recoverabledaily maximumreport only (ug/L)all year101
Manganese, total recoverablemonthly average≤ 2 mg/Lall year101
Manganese, total recoverabledaily maximum≤ 4 mg/Lall year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101

How strict are these limits?

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

Same industry: the 69 Educational Services permits in Indiana.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0003859 · MCP: https://passage-data.com/mcp