Description: Locations of fire hydrants that may be flushed after a distruption to the drinking water distribution system to most effectively flush out air and/or discolored water from the system.
Description: General areas indicating where hydrant flow tests have been conducted on the Iowa City water distribution system, and connected water services. Points are located near the static hydrant associated with test. Hydrant flow tests are completed by Iowa City Water Division personnel.
Description: General identification of water leaks found occuring in the Iowa City water distribution system. Points are graphical placements only, and do not represent exact leak locations or the asset that was found leaking. This feature class does not represent all possible areas identified as possible water leaks, but field verified leaks that have been confirmed.
Description: The City of Iowa City Water Division maintains connection points (interconnections) with sister water utilities for the joint benefit of additional potable water source(s) for emergencies or customer service purposes.
Description: Indicates general locational relationship of drinking water system valves on water pipe, and general location of sister system valves at water system interconnection points. Information maintained for each valve includes type of valve, valve make and model, date installed, field measurements, and installation depth.
Description: Identifies and locates structures associated with the operation of the Iowa City drinking water distribution system. Information recorded includes general function of structure, address, and building dimensions, and building materials. The information as associated in this data set precludes it from being open to the public under NIPP and related regulatory guidelines.
Description: Locations and nominal sizes of water valves installed on private water service lines connected to the Iowa City drinking water distribution system. All private water service valves not included in wServiceConnect are in this dataset.
Description: As required by jurisdiction, certian lengths of drinking water pipe must be installed within a water casing pipe. Information regrading the relative location, size, material, and material thickness of the casing pipe is recorded.
Description: Identifies addresses where private water services were installed with Smith-Blair 313 shop-coat saddles between 1990 and 1996 in the Iowa City distribution system. These water services were identified for possible replacement or compensation under the Iowa City Saddle Replacement Project.
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Description: Historical snapshot of noted areas of significant soil contamination in the local area. Areas are open contaminated sites recognized through various state and federal programs. Original information was digitized into AutoCAD based off a mylar drawing of unknown origin, which was then imported into GIS.
Description: Certain Iowa City Water Division safety protocols for personnel and the general public include zones delineated by distance to/away from the water treatment plant. Distances are given in miles radiating from point E2173964.96, N621496.90, based on the Iowa State Plane Coordinate System South Zone, North American Datum NAD 83(1996).