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Discharge Monitoring Report (DMR) Pollutant Loading Tool

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 more information on the types of errors identified, see EPA's Technical Support Document for the 2010 Effluent Guidelines Program (PDF) (255 pp, 3.4MB). Because of this review, and EPA's methodology for interpreting data and calculating loads (explained in EPA's Technical Support Document for the Annual Review of Existing Effluent Guidelines and Identification of Potential New Point Source Categories), the calculated loads and category rankings may differ using DMR and TRI data that has not been updated. Data that have been updated by EPA's annual reviews are flagged by green flags designating that a change has been made to a concentration, quantity, or flow value. View a listing of the changes for the most recent annual review (PDF) (1 p, 7K).

Point Source Category Information - Explosives manufacturing (TRI)

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

Top Chemicals - Toxic-Weighted Pounds (TWPE) (2011)
Chemical Name Direct TRI TWPE (lb-eq/yr) Indirect TRI TWPE (lb-eq/yr) Total TRI TWPE (lb-eq/yr) % of Category TWPE Cumulative % of
Category TWPE
NITRATE COMPOUNDS 11.7 0.64 11.7 67.6 67.6
LEAD AND LEAD COMPOUNDS 2.57 0.19 2.62 15.07 82.7
AMMONIA 2.039 0.036 2.076 11.9 94.6

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Top Receiving Watersheds (2011)
HUC-12 Code HUC Name Direct TRI TWPE (lb-eq/yr) Indirect TRI TWPE (lb-eq/yr) Total TRI TWPE (lb-eq/yr)
110702070607 Webb City-Center Creek 8.014 0 8.014
050901010205 Town of Zaleski-Raccoon Creek 4.035 0 4.035
010802050302 North Branch Park River 2.57 0.046 2.62
100902080101 Upper Cottonwood Creek 0.15 0.039 0.19
060300051002 Colbert Creek-Pickwick Lake 0.18 0 0.18
050400050104 Depue Run-Seneca Fork 0 0 0
060101010403 Possum Creek 0 0 0
110702050205 Town of Montana-Neosho River 0 0 0
020503061401 Pine Creek 0 0 0
040302040102 Upper Duck Creek 0 0 0

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Top Facility Discharges in Toxic-Weighted Pounds (TWPE) (2011)
TRI Facility ID Facility Name City, State NAICS Code HUC-12 Code Top Chemical Top Chemcical Direct TRI TWPE (lb-eq/yr) Top Chemcical Indirect TRI TWPE (lb-eq/yr) Top Chemcical Total TRI TWPE (lb-eq/yr)
64836RCNCRROUTE DYNO NOBEL INC - CARTHAGE PL ANT CARTHAGE, MO 325920 110702070607 NITRATE COMPOUNDS 6.26 0 6.26
45651STNPW430PO AUSTIN POWDER CO MC ARTHUR, OH 325920 050901010205 NITRATE COMPOUNDS 3.76 0 3.76
06070THNSG660HO DYNO NOBEL INC SIMSBURY, CT 325920 010802050302 LEAD AND LEAD COMPOUNDS 2.57 0.046 2.62
64836RCNCRROUTE DYNO NOBEL INC - CARTHAGE PL ANT CARTHAGE, MO 325920 110702070607 AMMONIA 1.74 0 1.74
32355LNCRPINTER ST MARKS POWDER INC CRAWFORDVILLE, FL 325920 031200011001 NITRATE COMPOUNDS 1.36 0 1.36
45651STNPW430PO AUSTIN POWDER CO MC ARTHUR, OH 325920 050901010205 AMMONIA 0.26 0 0.26
35616NLSNB2120I NELSON BROTHERS LLC - CHEROKEE CHEROKEE, AL 325920 060300051002 NITRATE COMPOUNDS 0.16 0 0.16
82716NLSNB509T7 NELSON BROTHERS MINING SERVICES LLC GILLETTE, WY 325920 100902080101 NITRATE COMPOUNDS 0.14 0.0031 0.15
97470STNPW965NU AUSTIN POWDER CO ROSEBURG, OR 325920 171003011008 NITRATE COMPOUNDS 0.047 0 0.047
82716NLSNB509T7 NELSON BROTHERS MINING SERVICES LLC GILLETTE, WY 325920 100902080101 AMMONIA 0.011 0.036 0.047

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