20260701-005, Dog's Head Data Analyses Presentation — original pdf

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Dog’s Head Data Analyses (a little bit) Dave Sullivan CoA Environmental Commissioner Univ. of TX at Austin, CEER Research Associate Cell 512-914-4710, email BC-David.Sullivan@austintexas.gov What’s measured? CHLORIDE (MG/L AS CL) CHLOROPHYLL-A, PHYTOPLANKTON UG/L, CHROMO-FLOURO E. COLI, COLILERT, IDEXX METHOD, MPN/100ML E.COLI, COLILERT, IDEXX, HOLDING TIME MACROPHYTE BED AT COLLECTION POINT (%) NITRITE PLUS NITRATE, TOTAL 1 DET. (MG/L AS N) NITROGEN, AMMONIA, TOTAL (MG/L AS N) NITROGEN, KJELDAHL, TOTAL (MG/L AS N) ORTHPHOSPHATE PHOSPHORUS,DISS,MG/L,FILTER >15MIN OXYGEN, DISSOLVED (MG/L) OXYGEN, DISSOLVED (PERCENT OF SATURATION) PH (STANDARD UNITS) PHEOPHYTIN-A UG/L FLUOROMETRIC METHOD PHOSPHORUS, TOTAL, WET METHOD (MG/L AS P) RESIDUE, TOT DISS,UNSPEC CALC BASED ON COND (MG/ RESIDUE, TOTAL NONFILTRABLE (MG/L) SULFATE (MG/L AS SO4) TURBIDITY,FIELD NEPHELOMETRIC TURBIDITY UNITS, N PRESENT WEATHER (1=CLEAR,2=PTCLDY,3=CLDY,4=RAIN DAYS SINCE PRECIPITATION EVENT (DAYS) TEMPERATURE, WATER (DEGREES CENTIGRADE) STREAM FLOW ESTIMATE (CFS) FLOW:1=No Flow,2=Low,3=Normal,4=Flood,5=High,6=D SPECIFIC CONDUCTANCE,FIELD (UMHOS/CM @ 25C) E. Coli trends 12474 (US 183) 12469 (FM 973) Turbidity US 183: 5.3 FM973: 17.9 12474 (US 183) 12469 (FM 973) Can do more with guidance • I’m an “air” guy, after all….