Correspondence among

Per our conversation, a quick correction: our history has it at May 2014. b xxxEND_PAGE:treasury01_b37_6553_6782_147 DRAFT City of Flint Water System Background Water Service Land Area 34 square miles 550+ miles of public water mains 250+ miles of water mains 75+ years old 70% of public water mains are unlined cast iron pipe Service population 99,763 Service connections 32,900 Flint Water System established in 1883 Flint Water Treatment Plant #2 completed in 1954 Connection to Detroit Water and Sewerage Department 1967 Flint Water Treatment Plant #2 rehabilitated 1999 — 2005 City of Flint Timeline December 2011 — Flint Emergency Financial Manager Appointed by Governor Snyder April 2013 — Flint rejects DWSD contract and instead joins the Karegnondi Water Authority April 2013 — DWSD sets termination of Flint water service contract to April 17, 2014 June 2013 — Karegnondi Water Authority groundbreaking June 2013 ~ Flint Requests full time use of Flint Water Treatment Plant with Flint River May 2014 — Flint stops purchasing DWSD. Starts using the City of Flint WTP and Flint River August 2014 - Flint E.Coli Bacteria violation, Partial System Boil Water Advisory August 2014 — Disinfection Byproducts, DEQ requests preemptive Operational Evaluation September 2014 — Flint Total Coliform Bacteria violation, Partial System Boil Water Advisory November 2014 — Disinfection Byproducts violation begins January 2015 — 1* 6 month lead and copper sampling completed 100 samples, 90% = 6 ppb April 2015 — Flint Financial Emergency Ends July 2015 - 2" 6 month lead and copper sampling completed 69 samples, 90% = 11 ppb August 2015 — Disinfection Byproducts return to compliance August 2015 — Flint required by DEQ to recommend and install Optimized Corrosion Control Treatment January 2016 — Flint plans to have Optimized Corrosion Control Treatment operational July 2016 — Planned connection to Karegnondi Water Authority (Lake Huron water to Flint WTP) xxxEND_PAGE:treasury01_b37_6553_6782_148 Stanton, Terry A. (T reasury)