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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 - Canned and preserved seafood 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
Nitrogen, ammonia total (as N) 868 81.5 81.5
Chlorine, total residual 161 15.1 96.6
Zinc, total recoverable 22.03 2.071 98.7
Formalin 5.81 0.54 99.3
Copper, total recoverable 5.79 0.54 99.8
Nitrogen, nitrite total (as N) 0.64 0.0607 99.9
Ammonia (as N) + unionized ammonia 0.54 0.051 99.9
Nitrogen, nitrate total (as N) 0.15 0.014 99.9
Strontium, total (as Sr) 0.105 0.0098 99.9
Mercury, total recoverable 0.043 0.00405 100

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Top Receiving Watersheds (2011)
HUC-12 Code HUC Name Total DMR TWPE (lb-eq/yr)
041000090207 Creager Cemetery-Maumee River 15.5
010900040702 Barrington River-Warren River 0.79

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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)
AL0048194 CARSON AND COMPANY INC BON SECOUR, AL 2092 031602050206 Ammonia as N 582
AS0000019 STAR KIST SAMOA CO PAGO PAGO, AS 2091 Ammonia as N 175
ME0001741 B & M BAKED BEAN PLANT PORTLAND, ME 2091 010600010607 Total Residual Chlorine 68.5
AK0037303 TRIDENT SEAFOODS CORP AKUTAN SHORE PLANT AKUTAN, AK 2092 190301020704 Total Residual Chlorine 36.1
AL0055379 BAYOU LA BATRE INDUSTRIAL FAC BAYOU LA BATRE, AL 2092 031700090201 Ammonia as N 31.5
AS0000019 STAR KIST SAMOA CO PAGO PAGO, AS 2091 Zinc 22.03
MS0057550 SUPERIOR FISH PRODUCTS INC MACON, MS 2092 031601080702 Total Residual Chlorine 18.4
AL0055379 BAYOU LA BATRE INDUSTRIAL FAC BAYOU LA BATRE, AL 2092 031700090201 Total Residual Chlorine 17.7
IDG132002 CLEAR LAKES FISH HATCHERY BUHL, ID 2092 170402121006 Ammonia as N 16.7
OH0003298 CAMPBELL SOUP PLANT NAPOLEON, OH 2091 041000090207 Ammonia as N 15.4

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