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Discharge Monitoring Report (DMR) Pollutant Loading Tool

The Loading Tool is being transitioned into ECHO to increase user access to data and streamline site maintenance. The beta version is now available for testing. EPA plans to retire this site in late November 2017. Current site functionality will be available in ECHO.

Note: This area of the DMR Loading Tool includes data used for EPA's annual review of industrial effluent discharges. EPA's Office of Water is responsible for developing programs and tools authorized under the Clean Water Act (CWA), which enables EPA and the states to protect and restore the Nation's waters. The CWA requires EPA to annually review and, if appropriate, revise its water pollution control technology-based regulations, called "effluent limitations guidelines" or "effluent guidelines" that limit the discharge of pollutants to waters of the U.S. from industrial facilities. As part of the EPA's annual reviews, EPA estimates the load of pollutants discharged using a combination of discharge monitoring report (DMR) data, from ICIS-NPDES, and Toxics Release Inventory (TRI) data. EPA also assigns a relative toxic weight to the estimated loads to rank industrial categories by toxic weighted pound equivalents (TWPE). For more background on EPA's effluent guidelines program see EPA's Effluent Guidelines website.

EPA reviews the DMR and TRI data used to calculate effluent loads and TWPE for accuracy prior to further investigating industrial categories for possible effluent guideline revisions. For identified outlier data, EPA contacts states and facilities to confirm and update (if appropriate) data values and units. For information on the methodology and types of changes identified, see EPA's most recent odd-numbered year Annual Effluent Guidelines Review Report on the Effluent Guidelines Plan webpage. Because of this review and EPA's methodology for interpreting data and calculating loads, the calculated loads and category rankings may differ from original calculations using DMR and TRI data that have not been updated. Data that have been updated by EPA's annual reviews are indicated by green flags designating that a change has been made to a concentration, quantity, or flow value. A listing of the DMR and TRI data changes from the most recent annual review is available in the Annual Effluent Guidelines Review Report Appendices.

Point Source Category Information - Timber products processing (DMR)

EPA 304M Annual Review flag — Indicates load was altered by EPA’s 304M Annual Review. You can hover over the green flag to see the original load from the DMR data.

Top Pollutants - Toxic-Weighted Pounds (TWPE) (2011)
Pollutant Name Total DMR TWPE (lb-eq/yr) % of Category TWPE Cumulative % of
Category TWPE
Total Residual Chlorine 80,899 72.8 72.8
Copper 18,743 16.8 89.7
Boron 2,843 2.55 92.2
Arsenic 2,706 2.43 94.7
Pentachlorophenol 2,177 1.96 96.6
Iron 909 0.81 97.4
Benzo[a]pyrene 609 0.54 98.04
Manganese 539 0.48 98.5
Magnesium 408 0.36 98.8
Chrysene 282 0.25 99.1

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Top Receiving Watersheds (2011)
HUC-12 Code HUC Name Total DMR TWPE (lb-eq/yr)
050200010307 Pecks Run-Buckhannon River 12,931
060300050802 Pond Creek 2,855
100402020401 Musselshell River-Roundup 1,558
050500030104 Outlet East Fork Greenbrier River 1,203
060300021101 Swan Creek 490
050302030801 Left Fork Reedy Creek 311
060300060103 Bear Creek-Bluff Creek 267
060300050808 Tennessee River-Coffee Slough 254
060300050703 Lower Spring Creek 197
050500070604 Little Otter Creek-Elk River 71.1

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Top Facility Discharges in Toxic-Weighted Pounds (TWPE) (2011)
NPDES ID Facility Name City, State SIC Code HUC-12 Code Top Pollutant Top Pollutant TWPE (lb-eq/yr)
AL0055395 CAHABA TIMBER CO BRIERFIELD, AL 2491 031502020405 Total Residual Chlorine 60,637
AL0026921 HERO BX ALABAMA MOUNDVILLE, AL 2499 031601130602 Total Residual Chlorine 19,817
WV0078719 ED AREY & SONS INC. BUCKHANNON, WV 2491 050200010307 Copper 12,544
AL0076953 APC FOREST PRODUCTS INC MUSCLE SHOALS, AL 2491 060300050802 Copper 2,854
NC0005266 LP ROARING RIVER WWTP ROARING RIVER, NC 2499 030401010407 Boron 2,843
AL0055395 CAHABA TIMBER CO BRIERFIELD, AL 2491 031502020405 Pentachlorophenol 1,664
MTR000318 GEBHARDT POST PLANT & SAWMILL ROUNDUP, MT 2491 100402020401 Arsenic 1,255
WV0078557 JUDY FENCECRAFT INC BARTOW, WV 2491 050500030104 Copper 1,202

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