Total maximum daily load definition

Total maximum daily load or "TMDL" means the sum of the individual wasteload allocations for point sources, load allocations (LAs) for nonpoint sources, natural background loading and a margin of safety. TMDLs can be expressed in terms of either mass per time, toxicity, or other appropriate measure. The TMDL process provides for point versus nonpoint source trade-offs.

Total maximum daily load or "TMDL" means the amount of pollutants specified as a function of one or more water quality parameters, that can be discharged per day into a water quality limited segment and still ensure attainment of the applicable water quality standard.

Total maximum daily load or "TMDL" means a calculation of the maximum amount of a pollutant that a waterbody can receive and still meet water quality standards and an allocation of that amount to the pollutant's sources. A TMDL includes wasteload allocations (WLAs) for point source discharges, and load allocations (LAs) for nonpoint sources or natural background or both, and must include a margin of safety (MOS) and account for seasonal variations.

Examples of Total maximum daily load in a sentence

• Project Reports and Other Informational Materials: 18-01 (319) CD Title: Total Maximum Daily Load Development Purpose: Working with selected vendors/consultants will developed TMDLs to address impairments listed on Illinois’ 303(d) List of Impaired Waters.

• Orange County Environmental Protection Division (Division) will utilize these services for Total Maximum Daily Load (TMDL) and National Pollutant Discharge Elimination System Municipal Separate Storm Sewer System (NPDES MS4) Permit regulatory program compliance, management of waterbodies with MSTUs or MSBUs, and protection of Orange County’s water resources.

• Section 303(d) of the Clean Water Act requires that a Total Maximum Daily Load (TMDL) be developed for each pollutant of an impaired waterbody.

• Open Section 319 Grants – Ongoing Projects FEDERAL FISCAL YEAR 2016 (NPS PROGRAM FUNDS) Title: Total Maximum Daily Load Development Purpose: The Illinois EPA will develop Stage 1 and, if necessary, Stage 2 and Stage 3 Total Maximum Daily Load (TMDL) reports for the pollutants within selected watersheds.

More Definitions of Total maximum daily load

Total maximum daily load or “TMDL” means the maximum capacity of a surface water to assimilate a pollutant as established by the commissioner, including pollutants contributed by point and non-point sources and a margin of safety.

Total maximum daily load or TMDL, means the sum of the individual wasteload allocations for point sources and the load allocations for nonpoint sources and natural background as defined and applied in Chapter 62-303, F.A.C.

Total maximum daily load or "TMDL" means the sum of the individual waste load allocations for

Total maximum daily load means the same as in the federal Water Pollution Control Act.

Total maximum daily load or "TMDL" means the sum of the daily individual wasteload allocations for point sources and load allocations for nonpoint sources and natural background minus the sum of a specified margin of safety and any capacity reserved for growth. A TMDL sets and allocates the maximum daily amount of a pollutant that may be introduced into a waterbody and still assure attainment and maintenance of water quality standards.

Total maximum daily load or “TMDL” means the sum of the individual wasteload allocations (WLAs) for point sources and load allocations (LAs) for nonpoint sources and natural background. If a receiving water has only one point source discharger, the TMDL is the sum of that point source WLA plus the LAs for any nonpoint sources of pollution and natural background sources, tributaries, or adjacent segments. TMDLs can be expressed in terms of either mass per time, toxicity, or other appropriate measure.

Total maximum daily load. Or "TMDL" means the amount of a given pollutant that may be discharged to a waterbody from point, nonpoint and natural background sources and still allow attainment or maintenance of the applicable narrative and numerical water quality standards. A "TMDL" is the sum of the individual wasteload allocations or WLAs for point sources and load allocations or LAs for nonpoint sources of pollution and natural background. A “TMDL” may include a reasonable margin of safety (MOS) to account for uncertainties regarding the relationship between mass loading and resulting water quality. In simplistic terms, a "TMDL" attempts to match the strength, location and timing of pollution sources within a watershed with the inherent ability of the receiving water to assimilate the pollutant without adverse impact.