District of Columbia

Water Systems

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

Total Number of Systems

System Type	Number of Systems
CWS	5
NTNCWS	1
TNCWS	0

How District of Columbia Compares to Other States

• District of Columbia ranked 51st in CWS Systems with 5 total CWS Systems in 2008. The average for all states was 993 CWS Systems.



• District of Columbia ranked 51st in NTNCWS Systems with 1 total NTNCWS Systems in 2008. The average for all states was 360 NTNCWS Systems.



• District of Columbia ranked 51st in TNCWS Systems with 0 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	606,730
NTNCWS	370
TNCWS	0

How District of Columbia Compares to Other States

• District of Columbia ranked 47th in total population served by CWS Systems with 606,730 people served in 2008. The average for all states was 5,598,611 people served by CWS Systems.



• District of Columbia ranked 51st in total population served by NTNCWS Systems with 370 people served in 2008. The average for all states was 115,668 people served by NTNCWS Systems.



• District of Columbia ranked 51st in total population served by TNCWS Systems with 0 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.