The Blue River floodplain is very broad in several areas and some flooding occurs rather often in areas east of U.S. 69 Highway.
B2c Limited Existing Sanitary Sewer Lines [Editor: See Neighborhood Topic Sewers]
Two subdistricts serve the extreme northeast corner of the Blue
Valley Plan, Urban Fringe Area. Part of the area of recently formed
Blue River No. 8 sanitary sewer subdistricts will serve small
portion of the northwest corner of the Blue Valley Plan, Urban
Fringe Area near 159th Street and Pflumm Road. Initially, the
Blue River No. 8 subdistrict will use a force main system along
159th Street. Force mains are generally regarded as interim
methods until gravity-flow sewers can be developed.
[Ed note: italics mine. See New Sewer Proposal].
A gravity-flow system from the Blue River No. 8 ara would have
to extend through several miles of the Coffee Creek and Blue River
channels that are not now sewered. This situation might become
a reason to favorably regard the formation of more sanitary sewer
subdistricts in the area downstream of the Blue River No. 8 subdistrict.
The recently formed Blue River No. 10 sanitary sewer subdistrict
will serve an adjacent area within the city (southeast of 159th
Street and Nall Avenue) and could facilitate the extension of
sewers into the Blue Valley Plan, Urban Fringe Area.
A study of whether to form another sanitary sewer subdistrict
(Blue River No. 12) for the area generally north of 175th Street
and east of Antioch Road has been proposed in 1995.
A study of whether to form another sanitary sewer subdistrict
(Blue River No. 14) for the area generally north of 167th Street
and east of Ridgeview Road was the subject of an information meeting
held October 14, 1995.
[Editor: See SEWER VOTE RESULTS].
B2d Incomplete Roadway Network
Both north/south and east/west access in the area is interrupted by missing links along the mile section-line roads. As examples, Nall Avenue [Editor: See Neighborhood Topic Nall Ave Development] does not cross the Blue River south of 167th Street where the Blue River floodplain is about 1,500 feet wide and where there is a substantial hill to the south of the floodplain. Also, Antioch Road does not cross Coffee Creek north of 175th Street, and 167th [Editor: See Neighborhood Topic W 167th Street Development] has not been opened in the mile between Nall Avenue and Mission Road (it would have to cross both the Blue River and Camp Branch Creek in that mile.) Some existing roads now open for very light traffic and travel conditons would be expensive and difficult to improve to urban arterial or even urban collector street conditions. Such roads include 175th Street between Mission Road and Nall Avenue and Mission Road north of 175th Street.
Steep slopes and wide floodplains will make roadway construction more costly. Every north/south street west of U.S. 69 Highway must cross both Coffee and Wolf Creeks if the roadway network is to be completed. East of U.S. 69 Highway, the Blue River floodplain is 1,500 feet wide where Nall Avenue [Editor: See Neighborhood Topic Nall Ave Development] must cross if existing segments north and south of the Blue River are to be connected.