2610 W CASINO RD VERIZON 2025-07-25

Verizon Communications-Stormwater Site Plan Everett,WA 1.867 0.159 0.215 4.657 0.018 1.893 0.160 0.219 5.062 0.018 1.920 0.161 0.223 5.478 0.018 1.947 0.163 0.228 5.905 0.018 1.973 0.164 0.232 6.342 0.018 2.000 0.165 0.236 6.789 0.018 2.027 0.166 0.241 7.247 0.018 2.053 0.168 0.245 7.715 0.018 2.080 0.169 0.250 8.192 0.018 2.107 0.170 0.254 8.678 0.018 2.133 0.172 0.259 9.174 0.018 2.160 0.173 0.263 9.679 0.018 2.187 0.174 0.268 10.19 0.018 2.213 0.175 0.273 10.72 0.018 2.240 0.177 0.277 11.25 0.018 2.267 0.178 0.282 11.79 0.018 2.293 0.179 0.287 12.33 0.018 2.320 0.181 0.292 12.89 0.018 2.347 0.182 0.297 13.46 0.018 2.373 0.183 0.301 14.03 0.018 2.400 0.185 0.306 14.61 0.018 2.427 0.186 0.311 15.20 0.018 MITIGATED LAND USE • ANALYSIS RESULTS Flow Frequency Return Periods for Predeveloped. POC #1 Return Period Flow(cfs) 2 year 0.008524 5 year 0.012691 10 year 0.015902 25 year 0.020502 50 year 0.024343 100 year 0.028556 Flow Frequency Return Periods for Mitigated. POC #1 Return Period Flow(ofs) 2 year 0.007805 5 year 0.011361 10 year 0.013939 25 year 0.017447 50 year 0.020241 100 year 0.02319 Yearly Peaks for Predeveloped and Mitigated. POC #1 Year Predeveloped Mitigated 1950 0.003 0.000 1951 0.012 0.000 1952 0.007 0.000 1953 0.006 0.000 1954 0.007 0.000 1955 '0.010 0.000 1956 0.016 0.000 1957 0.011 0.000 1958 0.014 0.000 1959 0.011 0.000 1960 0.009 0.000 1961 0.009 0.000 1962 0.008 0.000 1963. 0.010 0.000 1964 0.014 0.000 1965 0.008 0.000 1966 0.009 0.000 1967 0.004 0.000 1968 0.012 0.000 1969 0.012 0.000 1970 0.006 0.000 1971 0.007 0.000 PACLAND Job#50183001 Page 1 7