2025-01-22 CC Packet - (Revised 1)

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Diane Hankee, PE City Engineer 600 Town Center Pkwy Lino Lakes, MN 55014-1182 Direct 651-982-2430 Fax 651-982-2499 dhankee@linolakes.us From: Mark Statz <MStatz@centervillemn.com> Sent: Tuesday, February 13, 2024 1:49 PM To: Diane Hankee <DHankee@linolakes.us> Cc: Paul Palzer <PPalzer@centervillemn.com> Subject: Watermain Interconnect Issues Diane, You and I spoke, briefly, at the City Engineer’s conference about the issues at the northern rdst watermain interconnect (73/21 Street) between our two communities. As I understand it, this summer, we believe that about 20 MG of water flowed from Lino Lakes into Centerville. Our JPA governing the interconnect says that we should pay you back by sending the same amount of water back to you. I am supportive of that solution. If you are supportive of that, as well, I will direct our Public Work Director to work with yours and figure out the logistics of how/when to make that happen. Let me know if you’d like to explore other options. After figuring out how to give you back the water, we should discuss the future of this interconnect. I would submit the following thoughts: The current southern interconnect (Cedar St) has been working well for many years and does not seem to be a problem. No change in operations or equipment is suggested here. Centerville and Lino Lakes PW staff should make a regular practice of reading the meter at the interconnect along with their respective meter reading cycle and report in to each other on what was read. Any significant flow recorded should be reported to the two City Engineers immediately. Centerville will be pursuing a way to connect the meter to our SCADA system, so that we can set an alarm to trigger any time the meter is running (water is moving through the interconnect). We are OK with shutting the manual valves, at this point, to ensure no further transfer of 109