The trip to the US has come at a time when Lusaka has been grappling with flash floods that have seen most parts of the city flooded.
Most Lusaka residents have been questioning the Mayor’s silence as the City Council has failed to even issue a statement on how the plan to deal with the floods.
Mr Kalumba who is accompanied by Zambia Police Service Inspector General Kakoma Kanganja arrived in Albuquerque, New Mexico for consultations and future partnerships between Zambia and New Mexico under the Sister Cities Foundation.
New Mexico is a state located in the south-western region of the United States of America.
Mr Kalumba and Mr Kanganja are leading a delegation that includes council officials and Zambia police.
The Zambian delegation is being hosted by Sister City Foundation New Mexico Chaired by Patrick Mapalo, a Zambian who lives in Albuquerque.
I.G Kanganja is expected to hold talks with the Albuquerque Chief of Police Gorden Eden at which the two are expected to discuss the planned training program for the Zambia Police Air wing that will see the first batch of 20 officers train with the Albuquerque Police Department.
The first call of business for the delegation will be a courtesy call on Albuquerque Mayor Richard Berry at the Civic Plaza.
Lusaka City Council is expected to receive two fire tenders and two ambulances valued at $3.5 million.
The delegation that includes, Zambia Police Service Director Training Dr. Charles Musonda Mbita and Lusaka City Council Public Relations Manager Mulunda Habeenzu is expected to among other things hold talks with New Mexico Governor Suzanna Martinez.
In 2014 Lusaka city twinned with Albuquerque city.
The Zambian delegation last night met with the delegation from Lanzhou City in China under the auspices of the Sister Cities Foundation.
Lusaka is expected to Twin with Lanzhou City.