San Antonio is also cleaning their riverwalk this month.  They do it roughly every 2-3 years.  Most of what will be removed is sediment, but the usual debris will also be pulled out - bicycles, dropped cellphones, assorted personal belongings and trash.<p><a href="http:&#x2F;&#x2F;www.kens5.com&#x2F;story&#x2F;news&#x2F;2016&#x2F;01&#x2F;03&#x2F;s-drain-river-walk-maintenance&#x2F;78240360&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.kens5.com&#x2F;story&#x2F;news&#x2F;2016&#x2F;01&#x2F;03&#x2F;s-drain-river-wal...</a>