Waterbars

Waterbars

http://www.pwd.org/pdf/water_resources/conservation%20fact%20sheets/waterbar.pdf

 

Open Top Culverts

http://www.pwd.org/pdf/water_resources/conservation%20fact%20sheets/open_top_culvert.pdf

 

Rubber Razors

http://www.pwd.org/pdf/water_resources/conservation%20fact%20sheets/rubber_razors.pdf

 

Source (http://www.pwd.org/news/publications.php)