Developed by: Updated: U6-m26-s1

Weather, Water & People: Animating water quality data to protect Lake Superior Basin waters

Rich Axler, Natural Resources Research Institute, UMN-Duluth

Large Supporting CastLarge Supporting CastG.Host1, N.Will1, E.Ruzycki1, J.Henneck1, A. Crouse1, G. Sjerven1, C.Hagley2, J.Schomberg2,

T.Carlson3, C.Kleist3, M.Lonsdale3, B. Munson4 Other Groups: MPCA (J.Anderson, J.Jasperson); WLSSD (T.Tuominen, J.Mayasich); S.St.Louis SWCD (K.Anderson)

Other NRRI Scientists: V. Brady, D.Breneman, T.Brown, J.Erickson, L.Johnson

Other UMD Scientists/Staff: E.Larson , C.Richards, M.Granley (FM), K.Gran (Geol),

J.Austin (LLO), N.Dobiesz (LLO), R.Hecky (LLO)

U. Minnesota-Duluth: NRRI1, Sea Grant2, City of Duluth Stormwater 3, Dept. of Education 4

Water Week, U. of Minnesota-Duluth 11/8/2012

Developed by: Updated: U6-m26-s2

Storm Flushing & Sanitary Sewer Overflows (SSO)

Sewage plant swamped with “clean” stormwater infiltration; jumps from ~40 mgd to >135 mgd leading to overflows into Lake Superior

I/I: Inflow & Infiltration

May 26 and June 19-20, 2012: 3-5 “ and then 10” inch rains

Developed by: Updated: U6-m26-s3

What happened at the Duluth Inlet? And the Seiche?

Seiches and riverflow

Developed by: Updated: U6-m26-s4