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WestRock Mill Company LLC

Paperboard Mills, major discharger, Demopolis, Alabama. NPDES permit AL0002828 expired May 31, 2025; its limits still apply. Last 12 months: over a limit 4 times (last February 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form 1 monthly (17 values), outfall 001 form Q quarterly (3 values), outfall 005 form 1 monthly (8 values), outfall 05A form 1 monthly (3 values), outfall 001 form S twice a year, outfall 001 form T yearly, and 6 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 53 reports late

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

Period endingParameterReportedLimitOver by
January 2026BOD, 5-day, 20 deg. C, daily maximum68335≤ 30677 lb/d123%
January 2026BOD, 5-day, 20 deg. C, monthly average17973≤ 15963 lb/d13%
February 2026BOD, 5-day, 20 deg. C, daily maximum69361≤ 30677 lb/d126%
February 2026BOD, 5-day, 20 deg. C, monthly average21274≤ 15963 lb/d33%

Limits in force (88)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 15963 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 30677 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 0 lb/dMay–Nov001
BOD, 5-day, 20 deg. Cdaily maximum≤ 0 lb/dMay–Nov001
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 29779 lb/dall year001
Solids, total suspendeddaily maximum≤ 55354 lb/dall year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Apr–Oct001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Apr–Oct001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Apr–Oct001
Phosphorus, total [as P]daily maximumreport only (mg/L)Apr–Oct001
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximumreport only (ppq)all year001
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximum≤ .0798 mg/dall year001
Pentachlorophenoldaily maximum≤ 3.63 lb/dall 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
River Monitoring Certificationdaily maximum≤ 0 Y=0;N=1Jun–Oct001
Toxicity [chronic], Ceriodaphnia dubiadaily maximum≤ 0 pass=0;fail=1all year001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximum≤ 0 pass=0;fail=1all year001
Adsorbable organic halides [AOX]monthly average≤ 1378 lb/dall year001
Adsorbable organic halides [AOX]daily maximum≤ 2104 lb/dall year001
Trichlorophenoldaily maximum≤ 22.3 lb/dall year001
BMP Certification Submittal?daily maximum≤ 0 Y=0;N=1all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year005
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all year005
pHdaily minimum≥ 6 SUall year005
pHdaily maximum≤ 9 SUall year005
Solids, total suspendedmonthly averagereport only (lb/d)all year005
Solids, total suspendeddaily maximumreport only (lb/d)all year005
Oil & Greasedaily maximum≤ 15 mg/Lall year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
pHdaily minimumreport only (SU)all year006
pHdaily maximumreport only (SU)all year006
Solids, total suspendeddaily maximumreport only (mg/L)all year006
Oil & Greasedaily maximum≤ 15 mg/Lall year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
pHdaily minimumreport only (SU)all year007
pHdaily maximumreport only (SU)all year007
Solids, total suspendeddaily maximumreport only (mg/L)all year007
Oil & Greasedaily maximum≤ 15 mg/Lall year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
pHdaily minimumreport only (SU)all year009
pHdaily maximumreport only (SU)all year009
Solids, total suspendeddaily maximumreport only (mg/L)all year009
Oil & Greasedaily maximum≤ 15 mg/Lall year009
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year009
Chloroformmonthly average≤ 6.38 lb/dall year01A
Chloroformdaily maximum≤ 10.671 lb/dall year01A
2,4,6-Trichlorophenoldaily maximum≤ 2.4999 ug/Lall year01A
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximum≤ 9.9999 pg/Lall year01A
2,3,7,8-Tetrachlorodibenzofurandaily maximum≤ 31.9 pg/Lall year01A
Pentachlorophenoldaily maximum≤ 4.9999 ug/Lall year01A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year01A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01A
3,4,6-Trichloroguaiacoldaily maximum≤ 2.4999 ug/Lall year01A
3,4,6-Trichlorocatecholdaily maximum≤ 4.9999 ug/Lall year01A
2,4,5-Trichlorophenoldaily maximum≤ 2.4999 ug/Lall year01A
3,4,5-Trichloroguaiacoldaily maximum≤ 2.4999 ug/Lall year01A
3,4,5-Trichlorocatecholdaily maximum≤ 4.999 ug/Lall year01A
Tetrachloroguaiacoldaily maximum≤ 4.9999 ug/Lall year01A
Tetrachlorocatecholdaily maximum≤ 4.9999 ug/Lall year01A
Trichlorosyringoldaily maximum≤ 2.4999 ug/Lall year01A
4,5,6-Trichloroguaiacoldaily maximum≤ 2.4999 ug/Lall year01A
2,3,4,6-Tetrachlorophenoldaily maximum≤ 2.4999 ug/Lall year01A
Chloroformmonthly average≤ 2.5 lb/dall year01B
Chloroformdaily maximum≤ 4.26 lb/dall year01B
2,4,6-Trichlorophenoldaily maximum≤ 2.4999 ug/Lall year01B
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximum≤ 9.9999 pg/Lall year01B
2,3,7,8-Tetrachlorodibenzofurandaily maximum≤ 31.9 pg/Lall year01B
Pentachlorophenoldaily maximum≤ 4.9999 ug/Lall year01B
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year01B
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01B
3,4,6-Trichloroguaiacoldaily maximum≤ 2.4999 ug/Lall year01B
3,4,6-Trichlorocatecholdaily maximum≤ 4.9999 ug/Lall year01B
2,4,5-Trichlorophenoldaily maximum≤ 2.4999 ug/Lall year01B
3,4,5-Trichloroguaiacoldaily maximum≤ 2.4999 ug/Lall year01B
3,4,5-Trichlorocatecholdaily maximum≤ 4.9999 ug/Lall year01B
Tetrachloroguaiacoldaily maximum≤ 4.9999 ug/Lall year01B
Tetrachlorocatecholdaily maximum≤ 4.9999 ug/Lall year01B
Trichlorosyringoldaily maximum≤ 2.4999 ug/Lall year01B
4,5,6-Trichloroguaiacoldaily maximum≤ 2.4999 ug/Lall year01B
2,3,4,6-Tetrachlorophenoldaily maximum≤ 2.4999 ug/Lall year01B
pHdaily minimum≥ 6 SUall year05A
pHdaily maximum≤ 9 SUall year05A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year05A

How strict are these limits?

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

Same industry: the 14 Paper and Allied Products permits in Alabama.

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Your permit document is the final word. As JSON: /api/v1/permits/AL0002828 · MCP: https://passage-data.com/mcp