2025 12 19 Stormwater Report Rev 1

Existing Conditions Proposed Conditions Difference Time 2-Year 10-Year 100-Year 2-Year 10-Year 100-Year 2-Year 10-Year 100-Year (Min) (CFS) (CFS) (CFS) (CFS) (CFS) (CFS) (CFS) (CFS) (CFS) 1278 0.241 0.386 0.710 0.239 0.384 0.709 -0.002 -0.002 -0.001 1284 0.240 0.383 0.705 0.237 0.381 0.704 -0.002 -0.002 -0.001 1290 0.238 0.380 0.700 0.236 0.379 0.699 -0.002 -0.002 -0.001 1296 0.236 0.377 0.694 0.234 0.375 0.693 -0.002 -0.002 -0.001 1302 0.234 0.374 0.688 0.232 0.372 0.687 -0.002 -0.002 -0.001 1308 0.232 0.371 0.682 0.230 0.369 0.681 -0.002 -0.002 -0.001 1314 0.230 0.368 0.677 0.228 0.366 0.676 -0.002 -0.002 -0.001 1320 0.229 0.365 0.672 0.227 0.364 0.671 -0.002 -0.002 -0.001 1326 0.227 0.362 0.666 0.225 0.360 0.665 -0.002 -0.002 -0.001 1332 0.225 0.359 0.660 0.223 0.357 0.659 -0.002 -0.002 -0.001 1338 0.223 0.356 0.655 0.221 0.354 0.654 -0.002 -0.002 -0.001 1344 0.221 0.352 0.648 0.219 0.351 0.647 -0.002 -0.002 -0.001 1350 0.219 0.349 0.643 0.217 0.348 0.642 -0.002 -0.002 -0.001 1356 0.217 0.346 0.637 0.215 0.345 0.636 -0.002 -0.002 -0.001 1362 0.215 0.344 0.632 0.213 0.342 0.631 -0.002 -0.002 -0.001 1368 0.213 0.341 0.627 0.211 0.339 0.626 -0.002 -0.002 -0.001 1374 0.212 0.338 0.622 0.210 0.337 0.621 -0.002 -0.002 -0.001 1380 0.210 0.335 0.616 0.208 0.333 0.615 -0.002 -0.002 -0.001 1386 0.208 0.332 0.610 0.206 0.330 0.609 -0.002 -0.002 -0.001 1392 0.206 0.329 0.605 0.204 0.327 0.604 -0.002 -0.001 -0.001 1398 0.204 0.325 0.598 0.202 0.324 0.597 -0.002 -0.001

0.001 1392 0.206 0.329 0.605 0.204 0.327 0.604 -0.002 -0.001 -0.001 1398 0.204 0.325 0.598 0.202 0.324 0.597 -0.002 -0.001 -0.001 1404 0.202 0.322 0.593 0.200 0.321 0.591 -0.002 -0.001 -0.001 1410 0.200 0.319 0.587 0.198 0.318 0.586 -0.002 -0.001 -0.001 1416 0.198 0.316 0.582 0.196 0.315 0.581 -0.002 -0.001 -0.001 1422 0.196 0.314 0.577 0.195 0.312 0.576 -0.002 -0.001 -0.001 1428 0.194 0.310 0.571 0.193 0.309 0.570 -0.002 -0.001 -0.001 1434 0.192 0.307 0.565 0.191 0.306 0.564 -0.002 -0.001 -0.001 1440 0.191 0.305 0.560 0.189 0.303 0.559 -0.002 -0.001 -0.001 1446 0.152 0.242 0.446 0.151 0.241 0.445 -0.001 -0.001 -0.001 1452 0.076 0.121 0.223 0.075 0.121 0.222 -0.001 -0.001 0.000 1458 0.025 0.040 0.074 0.025 0.040 0.074 0.000 0.000 0.000 18 of 24