Iowa

Water Systems

The reports below display the different types of water system usage in Iowa for the year 2008.

Total Number of Systems

System Type	Number of Systems
CWS	1,131
NTNCWS	139
TNCWS	697

How Iowa Compares to Other States

• Iowa ranked 14th in CWS Systems with 1,131 total CWS Systems in 2008. The average for all states was 993 CWS Systems.



• Iowa ranked 34th in NTNCWS Systems with 139 total NTNCWS Systems in 2008. The average for all states was 360 NTNCWS Systems.



• Iowa ranked 28th in TNCWS Systems with 697 total TNCWS Systems in 2008. The average for all states was 1,646 TNCWS Systems.

Total Number of Systems Expressed as Percentage

The results in the charts above represent the total number of each water system type. The chart below displays the same data, but expressed as total percentage of overall water systems.

Total Population Served

System Type	Population Served
CWS	2,648,654
NTNCWS	48,258
TNCWS	85,430

How Iowa Compares to Other States

• Iowa ranked 31st in total population served by CWS Systems with 2,648,654 people served in 2008. The average for all states was 5,598,611 people served by CWS Systems.



• Iowa ranked 33rd in total population served by NTNCWS Systems with 48,258 people served in 2008. The average for all states was 115,668 people served by NTNCWS Systems.



• Iowa ranked 28th in total population served by TNCWS Systems with 85,430 people served in 2008. The average for all states was 265,594 people served by TNCWS Systems.

Total Population Served Expressed as Percentage

The results in the charts above represent the total population served broken down by type of water system. The chart below displays the same data, but expressed as total percentage of overall population served.