Iowa Code Title IX. Local Government [Chs. 331-420] § 358C.4. Public improvements authorized

a. Underground gas, water, heating, sewer, telecommunications, and electrical connections located in streets for private property.

b. Sanitary, storm, and combined sewers.

c. Waterworks, water mains, and extensions.

d. Emergency warning systems.

e. Pedestrian underpasses or overpasses.

f. Drainage conduits, dikes, and levees for flood protection.

g. Public waterways, docks, and wharfs.

h. Public parks, playgrounds, and recreational facilities.

i. Clearing, stripping, grubbing, earthwork, erosion control, lot grading, street grading, paving, graveling, macadamizing, curbing, guttering, and surfacing with oil and gravel or chloride.

j. Street lighting fixtures, connections, and facilities.

k. Sewage pumping stations.

l. Traffic control devices, fixtures, connections, and facilities.

m. Public roads, streets, and alleys.