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Draft TMDL for pH Compliance for Barr Lake and Milton Reservoir

October 20, 2009 Draft TMDL Review Meeting. Draft TMDL for pH Compliance for Barr Lake and Milton Reservoir. BMW TMDL. Table 1.1. Summary of pH data for Barr Lake and Milton Reservoir. BMW TMDL. Barr averages >0.7 mg/L. Milton averages >0.5 mg/L. BMW TMDL. Watershed vs. Datashed.

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Draft TMDL for pH Compliance for Barr Lake and Milton Reservoir

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  1. October 20, 2009 Draft TMDL Review Meeting Draft TMDL for pH Compliance for Barr Lake and Milton Reservoir

  2. BMW TMDL Table 1.1. Summary of pH data for Barr Lake and Milton Reservoir.

  3. BMW TMDL Barr averages >0.7 mg/L Milton averages >0.5 mg/L

  4. BMW TMDL Watershed vs. Datashed

  5. BMW TMDL Poor relationship of TP to CHL in Barr or Milton; TP is too high to be a factor currently

  6. BMW TMDL Poor relationship of CHL to pH in Barr or Milton; evident that high CHL yields high pH

  7. BMW TMDL Relationship of TP to pH in Barr or Milton is minimal at current high TP; shape of decline to expected background is a key question in TMDL development

  8. BMW TMDL

  9. BMW TMDL Table 3.1 Apportionment of loads to Barr Lake and Milton Reservoir among sources with the SWAT-WASP model.

  10. BMW TMDL Table 3.3. Comparison of TP loading estimates for three canals in the Barr-Milton system. Table 3.3. Comparison of TP loading estimates for three canals in the Barr-Milton system.

  11. BMW TMDL Table 3.4. Partitioning of current loading into categories relevant to a TMDL.

  12. BMW TMDL Table 4.2 Wasteload and load allocations for Barr Lake and Milton Reservoir.

  13. BMW TMDL Table 4.3 Assessment of variability of flows in three canals delivering loads to Barr Lake and Milton Reservoir.

  14. BMW TMDL

  15. BMW TMDL Public participation Monitoring Extensive data Intensive plan Restoration Strategy External vs. Internal Load Wasteload vs. Load Applicable measures WWTP effluent limits BMP to control MS4/NPS inputs Internal load controls

  16. BMW TMDL Table 8.1 Summary of allowable loads for Barr Lake and Milton Reservoir.

  17. BMW TMDL Questions, Comments, Discussion

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