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Asphalt Materials, Inc.

Asphalt Felts And Coatings, Indianapolis, Indiana. NPDES permit IN0050661, in force until Aug 31, 2028. Last 12 months: over a limit once (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (12 values), outfall 002 form S monthly (9 values)
Renewal application due
Mar 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 12 reports late

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

Period endingParameterReportedLimitOver by
August 2026Solids, total suspended, daily maximum24.1 mg/L≤ 23 mg/L5%

Limits in force (21)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendeddaily maximum≤ 23 mg/Lall year001
Oil and grease, hexane extr methodmonthly average≤ 10 mg/Lall year001
Oil and grease, hexane extr methoddaily maximum≤ 15 mg/Lall year001
Chloride [as Cl]daily maximumreport only (mg/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
Flow, totalmonthly totalreport only (Mgal/mo)all year001
pHmaximumreport only (SU)all year002
Solids, total suspendedmaximumreport only (mg/L)all year002
Oil & Greasemaximumreport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]maximumreport only (mg/L)all year002
Nitrite + Nitrate total [as N]maximumreport only (mg/L)all year002
Phosphorus, total [as P]maximumreport only (mg/L)all year002
BOD, carbonaceous [5 day, 20 C]maximumreport only (mg/L)all year002
Chemical Oxygen Demand [COD]maximumreport only (mg/L)all year002
Storm water flowmaximumreport only (MGD)all year002

How strict are these limits?

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

Same industry: the 41 Petroleum Refining and Related Industries permits in Indiana.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0050661 · MCP: https://passage-data.com/mcp