# //UNITED STATES GEOLOGICAL SURVEY http://water.usgs.gov/ # //NATIONAL WATER INFORMATION SYSTEM http://water.usgs.gov/data.html # //DATA ARE PROVISIONAL AND SUBJECT TO CHANGE UNTIL PUBLISHED BY USGS # //RETRIEVED: 2026-04-24 16:55:01 # //WARNING # //WARNING The stage-discharge rating provided in this file should be # //WARNING considered provisional and subject to change. Stage-discharge # //WARNING ratings change over time as the channel features that control # //WARNING the relation between stage and discharge vary. Users are # //WARNING cautioned to consider carefully the applicability of this # //WARNING rating before using it for decisions that concern personal or # //WARNING public safety or operational consequences. # //FILE TYPE="NWIS RATING" # //DATABASE NUMBER=01 DESCRIPTION=" Standard data base for this site." # //STATION AGENCY="USGS " NUMBER="11048175 " TIME_ZONE="PST" DST_FLAG=Y # //STATION NAME="AGUA CHINON WASH A PORTOLA SPRINGS RD NR IRVINE CA" # //LABEL="Discharge (ft^3/s)" # //PARAMETER CODE="00060" # //RATING SHIFTED="20260424165501 PST" # //RATING ID="13" TYPE="STGQ" NAME="stage-discharge" AGING=???? # //RATING REMARKS="" # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=7.950765E+00 # //RATING OFFSET1=7.200000E+00 OFFSET2=7.110000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20241114130000 BZONE=-08:00 END=-------------- EZONE=--- AGING=1 # //SHIFT_PREV BEGIN="20260415154100" BZONE="-08:00" END="--------------" EZONE="---" # //SHIFT_PREV STAGE1="7.31" SHIFT1="-0.74" STAGE2="8.78" SHIFT2="-0.74" STAGE3="13.00" SHIFT3="0.00" # //SHIFT_PREV COMMENT="Prorating to no flow measurement 197. Shift used to compute no flow" # //SHIFT_NEXT BEGIN="--------------" BZONE="---" END="--------------" EZONE="---" # //SHIFT_NEXT STAGE1="---" SHIFT1="---" STAGE2="---" SHIFT2="---" STAGE3="---" SHIFT3="---" # //SHIFT_NEXT COMMENT=" " INDEP SHIFT DEP STOR 16N 16N 16N 1S 8.02 -0.74 0.00 8.03 -0.75 0.00 8.04 -0.76 0.00 8.05 -0.74 0.01 8.06 -0.75 0.01 8.07 -0.76 0.01 8.08 -0.77 0.01 8.09 -0.78 0.01 8.10 -0.74 0.02 8.11 -0.75 0.02 8.12 -0.76 0.02 8.13 -0.74 0.03 8.14 -0.75 0.03 8.15 -0.76 0.03 8.16 -0.74 0.04 8.17 -0.75 0.04 8.18 -0.74 0.05 8.19 -0.75 0.05 8.20 -0.74 0.06 8.21 -0.75 0.06 8.22 -0.74 0.07 8.23 -0.74 0.08 8.24 -0.74 0.09 8.25 -0.75 0.09 8.26 -0.74 0.10 8.27 -0.74 0.11 8.28 -0.74 0.12 8.29 -0.74 0.13 8.30 -0.74 0.14 8.31 -0.74 0.15 8.32 -0.74 0.16 8.33 -0.74 0.18 8.34 -0.74 0.19 8.35 -0.74 0.20 8.36 -0.74 0.21 8.37 -0.74 0.23 8.38 -0.74 0.24 8.39 -0.74 0.26 8.40 -0.74 0.27 8.41 -0.74 0.29 8.42 -0.74 0.31 8.43 -0.74 0.32 8.44 -0.74 0.34 8.45 -0.74 0.36 8.46 -0.74 0.38 8.47 -0.74 0.40 8.48 -0.74 0.42 8.49 -0.74 0.44 8.50 -0.74 0.46 8.51 -0.74 0.49 8.52 -0.74 0.51 8.53 -0.74 0.53 8.54 -0.74 0.56 8.55 -0.74 0.59 8.56 -0.74 0.61 8.57 -0.74 0.64 8.58 -0.74 0.67 8.59 -0.74 0.69 8.60 -0.74 0.72 8.61 -0.74 0.75 8.62 -0.74 0.78 8.63 -0.74 0.82 8.64 -0.74 0.85 8.65 -0.74 0.88 8.66 -0.74 0.92 8.67 -0.74 0.95 8.68 -0.74 0.99 8.69 -0.74 1.02 8.70 -0.74 1.05 8.71 -0.74 1.08 8.72 -0.74 1.11 8.73 -0.74 1.14 8.74 -0.74 1.18 8.75 -0.74 1.21 8.76 -0.74 1.24 8.77 -0.74 1.27 8.78 -0.74 1.31 8.79 -0.74 1.35 8.80 -0.74 1.39 8.81 -0.73 1.43 8.82 -0.73 1.47 8.83 -0.73 1.51 8.84 -0.73 1.56 8.85 -0.73 1.60 8.86 -0.72 1.65 8.87 -0.72 1.69 8.88 -0.72 1.74 8.89 -0.72 1.79 8.90 -0.72 1.84 8.91 -0.72 1.89 8.92 -0.72 1.93 8.93 -0.71 1.99 8.94 -0.71 2.04 8.95 -0.71 2.09 8.96 -0.71 2.14 8.97 -0.71 2.19 8.98 -0.70 2.25 8.99 -0.70 2.30 9.00 -0.70 2.36 9.01 -0.70 2.42 9.02 -0.70 2.47 9.03 -0.70 2.53 9.04 -0.69 2.59 9.05 -0.69 2.65 9.06 -0.69 2.71 9.07 -0.69 2.77 9.08 -0.69 2.84 9.09 -0.69 2.90 9.10 -0.68 2.96 9.11 -0.68 3.03 9.12 -0.68 3.09 9.13 -0.68 3.16 9.14 -0.68 3.23 9.15 -0.68 3.29 9.16 -0.67 3.36 9.17 -0.67 3.43 9.18 -0.67 3.50 9.19 -0.67 3.57 9.20 -0.67 3.65 9.21 -0.66 3.72 9.22 -0.66 3.79 9.23 -0.66 3.87 9.24 -0.66 3.94 9.25 -0.66 4.02 9.26 -0.66 4.10 9.27 -0.65 4.18 9.28 -0.65 4.25 9.29 -0.65 4.33 9.30 -0.65 4.42 9.31 -0.65 4.50 9.32 -0.65 4.58 9.33 -0.64 4.66 9.34 -0.64 4.75 9.35 -0.64 4.83 9.36 -0.64 4.92 9.37 -0.64 5.01 9.38 -0.63 5.09 9.39 -0.63 5.18 9.40 -0.63 5.27 9.41 -0.63 5.36 9.42 -0.63 5.45 9.43 -0.62 5.55 9.44 -0.62 5.64 9.45 -0.62 5.73 9.46 -0.62 5.83 9.47 -0.62 5.92 9.48 -0.62 6.02 9.49 -0.61 6.12 9.50 -0.61 6.22 9.51 -0.61 6.32 9.52 -0.61 6.42 9.53 -0.61 6.52 9.54 -0.61 6.62 9.55 -0.61 6.72 9.56 -0.60 6.83 9.57 -0.60 6.93 9.58 -0.60 7.04 9.59 -0.60 7.15 9.60 -0.60 7.26 9.61 -0.59 7.36 9.62 -0.59 7.47 9.63 -0.59 7.59 9.64 -0.59 7.70 9.65 -0.59 7.81 9.66 -0.59 7.92 9.67 -0.58 8.04 9.68 -0.58 8.15 9.69 -0.58 8.27 9.70 -0.58 8.39 9.71 -0.58 8.51 9.72 -0.57 8.63 9.73 -0.57 8.75 9.74 -0.57 8.87 9.75 -0.57 8.99 9.76 -0.57 9.12 9.77 -0.57 9.24 9.78 -0.56 9.37 9.79 -0.56 9.49 9.80 -0.56 9.62 9.81 -0.56 9.75 9.82 -0.56 9.88 9.83 -0.56 10.01 9.84 -0.55 10.14 9.85 -0.55 10.27 9.86 -0.55 10.41 9.87 -0.55 10.54 9.88 -0.55 10.68 9.89 -0.55 10.81 9.90 -0.54 10.95 9.91 -0.54 11.09 9.92 -0.54 11.23 9.93 -0.54 11.37 9.94 -0.54 11.51 9.95 -0.53 11.65 9.96 -0.53 11.80 9.97 -0.53 11.94 9.98 -0.53 12.09 9.99 -0.53 12.23 10.00 -0.53 12.38 10.01 -0.52 12.53 10.02 -0.52 12.68 10.03 -0.52 12.83 10.04 -0.52 12.98 10.05 -0.52 13.14 10.06 -0.52 13.29 10.07 -0.51 13.45 10.08 -0.51 13.60 10.09 -0.51 13.76 10.10 -0.51 13.92 10.11 -0.51 14.08 10.12 -0.50 14.24 10.13 -0.50 14.40 10.14 -0.50 14.56 10.15 -0.50 14.73 10.16 -0.50 14.89 10.17 -0.50 15.06 10.18 -0.49 15.23 10.19 -0.49 15.39 10.20 -0.49 15.56 10.21 -0.49 15.73 10.22 -0.49 15.90 10.23 -0.49 16.08 10.24 -0.48 16.25 10.25 -0.48 16.42 10.26 -0.48 16.60 10.27 -0.48 16.78 10.28 -0.48 16.95 10.29 -0.48 17.13 10.30 -0.47 17.31 10.31 -0.47 17.49 10.32 -0.47 17.68 10.33 -0.47 17.86 10.34 -0.47 18.04 10.35 -0.46 18.23 10.36 -0.46 18.42 10.37 -0.46 18.60 10.38 -0.46 18.79 10.39 -0.46 18.98 10.40 -0.46 19.17 10.41 -0.45 19.37 10.42 -0.45 19.56 10.43 -0.45 19.75 10.44 -0.45 19.95 10.45 -0.45 20.15 10.46 -0.45 20.35 10.47 -0.44 20.54 10.48 -0.44 20.74 10.49 -0.44 20.95 10.50 -0.44 21.15 10.51 -0.44 21.35 10.52 -0.43 21.56 10.53 -0.43 21.76 10.54 -0.43 21.97 10.55 -0.43 22.18 10.56 -0.43 22.39 10.57 -0.43 22.60 10.58 -0.42 22.81 10.59 -0.42 23.02 10.60 -0.42 23.24 10.61 -0.42 23.45 10.62 -0.42 23.67 10.63 -0.42 23.88 10.64 -0.41 24.10 10.65 -0.41 24.32 10.66 -0.41 24.54 * 10.67 -0.41 24.77 10.68 -0.41 24.99 10.69 -0.41 25.21 10.70 -0.40 25.44 10.71 -0.40 25.67 10.72 -0.40 25.89 10.73 -0.40 26.12 10.74 -0.40 26.35 10.75 -0.39 26.58 10.76 -0.39 26.82 10.77 -0.39 27.05 10.78 -0.39 27.29 10.79 -0.39 27.52 10.80 -0.39 27.76 10.81 -0.38 28.00 10.82 -0.38 28.24 10.83 -0.38 28.48 10.84 -0.38 28.72 10.85 -0.38 28.97 10.86 -0.38 29.21 10.87 -0.37 29.46 10.88 -0.37 29.70 10.89 -0.37 29.95 10.90 -0.37 30.20 10.91 -0.37 30.45 10.92 -0.36 30.70 10.93 -0.36 30.96 10.94 -0.36 31.21 10.95 -0.36 31.47 10.96 -0.36 31.72 10.97 -0.36 31.98 10.98 -0.35 32.24 10.99 -0.35 32.50 11.00 -0.35 32.76