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Clearwater Paper Corporation - Cypress Bend Mill

Pulp Mills, major discharger, Arkansas City, Arkansas. NPDES permit AR0035823, in force until Apr 30, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form A monthly (16 values), outfall 001 form G twice a year (2 values), outfall 001 form Q quarterly (8 values), outfall 002 form A monthly (7 values), outfall 003 form A monthly (7 values), outfall 004 form A monthly (6 values), and 5 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 74 reports late

Limits in force (85)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 13990 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 26897 lb/dall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Solids, total suspendedmonthly average≤ 25419 lb/dall year001
Solids, total suspendeddaily maximum≤ 47291 lb/dall year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Oct, Nov, Dec001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Apr–Sep001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Oct, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Apr–Sep001
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)Jan, Feb, Mar, Oct, Nov, Dec001
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)Apr–Sep001
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)Jan, Feb, Mar, Oct, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)Apr–Sep001
Phosphorus, total [as P]monthly averagereport only (mg/L)Jan, Feb, Mar, Oct, Nov, Dec001
Phosphorus, total [as P]monthly averagereport only (mg/L)Apr–Sep001
Phosphorus, total [as P]daily maximumreport only (mg/L)Jan, Feb, Mar, Oct, Nov, Dec001
Phosphorus, total [as P]daily maximumreport only (mg/L)Apr–Sep001
Phosphorus, total [as P]monthly averagereport only (lb/d)Jan, Feb, Mar, Oct, Nov, Dec001
Phosphorus, total [as P]monthly averagereport only (lb/d)Apr–Sep001
Phosphorus, total [as P]daily maximumreport only (lb/d)Jan, Feb, Mar, Oct, Nov, Dec001
Phosphorus, total [as P]daily maximumreport only (lb/d)Apr–Sep001
Halogens, adsorbable organicmonthly averagereport only (mg/L)all year001
Halogens, adsorbable organicdaily maximumreport only (mg/L)all year001
Halogens, adsorbable organicmonthly average≤ 1228 lb/dall year001
Halogens, adsorbable organicdaily maximum≤ 1874 lb/dall year001
2,3,7,8-Tetrachlorodibenzo-p-dioxinmonthly average≤ 11.15 ng/Lall year001
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximum≤ 18.29 ng/Lall year001
2,3,7,8-Tetrachlorodibenzo-p-dioxinmonthly average≤ .0019 lb/dall year001
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximum≤ .0032 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
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay–Sep001
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Sep001
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Alkalinity, phenolphthaline methoddaily maximumreport only (mg/L)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Carbon, tot organic [TOC]daily maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
pHminimum≥ 6 SUall year003
pHmaximum≤ 9 SUall year003
Solids, total suspendeddaily maximum≤ 100 mg/Lall year003
Oil & Greasemonthly average≤ 10 mg/Lall year003
Oil & Greasedaily maximum≤ 15 mg/Lall year003
Carbon, tot organic [TOC]daily maximum≤ 55 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
pHminimum≥ 6 SUall year004
pHmaximum≤ 9 SUall year004
Solids, total suspendedmonthly average≤ 50 mg/Lall year004
Solids, total suspendeddaily maximum≤ 75 mg/Lall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Chloroformmonthly average≤ 8.16 lb/dall year101
Chloroformdaily maximum≤ 13.64 lb/dall year101
2,4,6-Trichlorophenoldaily maximum< 2.5 ug/Lall year101
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximum< 10 pg/Lall year101
2,3,7,8-Tetrachlorodibenzofurandaily maximum< 31.9 pg/Lall year101
Pentachlorophenoldaily maximum< 5 ug/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
3,4,6-Trichloroguaiacoldaily maximum< 2.5 ug/Lall year101
3,4,6-Trichlorocatecholdaily maximum< 5 ug/Lall year101
2,4,5-Trichlorophenoldaily maximum< 2.5 ug/Lall year101
3,4,5-Trichloroguaiacoldaily maximum< 2.5 ug/Lall year101
3,4,5-Trichlorocatecholdaily maximum< 5 ug/Lall year101
Tetrachloroguaiacoldaily maximum< 5 ug/Lall year101
Tetrachlorocatecholdaily maximum< 5 ug/Lall year101
Trichlorosyringoldaily maximum< 2.5 ug/Lall year101
4,5,6-Trichloroguaiacoldaily maximum< 2.5 ug/Lall year101
2,3,4,6-Tetrachlorophenoldaily maximum< 2.5 ug/Lall year101
WET, sublethal retest #148-hour minimumreport only (pass=0;fail=1)all yearTX1
WET, sublethal retest #248-hour minimumreport only (pass=0;fail=1)all yearTX1
Whole Effluent Toxicity, Sub-Lethal Retest #348-hour minimumreport only (pass=0;fail=1)all yearTX1
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all yearTX1
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimumreport only (%)all yearTX1
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (%)all yearTX1

How strict are these limits?

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

Same industry: the 8 Paper and Allied Products permits in Arkansas.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AR0035823 · MCP: https://passage-data.com/mcp