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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 information on the methodology and types of changes identified, see EPA's most recent odd-numbered year Annual Effluent Guidelines Review Report (PDF) (169 pp, 2MB) 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 (PDF) (241 pp, 3.3MB).

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Point Source Category Information - Dairy 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
Chlorine, total residual 260 39.4 39.4
Nitrogen, ammonia total (as N) 222 33.7 73.1
Chloride (as Cl) 63.5 9.64 82.8
Nitrogen, nitrate total (as N) 39.8 6.042 88.8
Nitrogen, nitrite total (as N) 18.08 2.74 91.5
Nitrogen, nitrate total (as NO3) 16.3 2.48 94.08
Iron, total (as Fe) 15.6 2.37 96.4
Magnesium, total recoverable 12.3 1.87 98.3
Nitrogen, ammonia, total (as NH3) 3.81 0.57 98.9
Arsenic, total (as As) 3.39 0.51 99.4

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Top Receiving Watersheds (2011)
HUC-12 Code HUC Name Total DMR TWPE (lb-eq/yr)
102100040505 City of Ravenna-South Loup River 175
020501050307 Curtis Creek-Cohocton River 97.7
040500020405 Bosch and Hulst Drain 73.7
170402121003 City of Jerome 65.8
102300020502 Village of Merrill-Floyd River 48.5
040500050105 Ovid-Maple River 39.4
070200010705 Lower South Fork Whetstone River 34.4
101900120206 City of Fort Morgan-South Platte River 23.5
171002030508 Lower Wilson River 22.5
070900031302 Upper Yellow Creek 21.004

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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)
NE0131172 LEPRINO FOODS COMPANY RAVENNA, NE 2022 102100040505 Nitrogen, ammonia total (as N) 136
NY0004308 KRAFT FOODS GLOBAL INC CAMPBELL, NY 2022 020501050307 Chlorine, total residual 89.3
MI0000175 MEAD JOHNSON & CO LLC ZEELAND, MI 2023 040500020405 Chlorine, total residual 66.7
ID0027600 JEROME CHEESE CO JEROME, ID 2022 170402121003 Nitrogen, ammonia total (as N) 43.6
NE0131172 LEPRINO FOODS COMPANY RAVENNA, NE 2022 102100040505 Chloride (as Cl) 39.09
SD0027987 VALLEY QUEEN CHEESE FACTORY INC MILBANK, SD 2022 070200010705 Nitrogen, nitrate total (as N) 33.1
IA0073083 WELLS ENTERPRISES INC SOUTH ICE CREAM PLANT LE MARS, IA 2026 102300020502 Chlorine, total residual 24.9
IA0073075 WELLS ENTERPRISES INC NORTH ICE CREAM PLANT LE MARS, IA 2024 102300020502 Chlorine, total residual 23.5
MI0043427 MICHIGAN MILK PRODUCERS ASSOCIATION OVID, MI 2021 040500050105 Nitrogen, ammonia total (as N) 22.6
OR0000141 TILLAMOOK COUNTY CREAMERY ASSOC TILLAMOOK, OR 2022 171002030508 Chlorine, total residual 22.5

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