Page 11 - Luke AFB Thunderbolt – September 2024

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Only rain should go down storm drains
Thunderbolt News September 2024 http://www.luke.af.mil Facebook.com/LukeThunderbolt
By Environmental Chief Scott Mendenhall,
and Stormwater Program Manager Josefa Silva
USAF AETC 56 CES/CEIE
Most people understand that they should not dump toxic sub- stances into storm drains. Things like fuel, oil, antifreeze, paint and other chemicals definitely should be kept out of storm drains. How- ever, many are not aware that only rain should go into the storm drains. That includes the storm water system that is made up of streets and gutters, drains and scuppers, storm sewer pipes, and open channels.
Some people believe if some- thing is natural or biodegradable, it can go into the storm water system. That is not correct. Water going into Luke Air Force Base’s storm water system is not treated, but instead flows into streams and canals that flow into Arizona’s rivers. Although leaves, grass clip- pings, and paper are biodegrad- able, they are also sources of storm water pollution. They can disrupt the chemistry and nutrients in
rivers, thereby adversely affecting wildlife in the rivers.
Soil or dirt is also considered a storm water pollutant. Muddy water can change river tempera- tures thereby adversely affecting wildlife in the rivers. Construction sites often expose soil and so must take measures to prevent soil, or sediment from getting into the storm system. Luke AFB also uses street sweepers to keep soil out of the storm system.
Pesticides and fertilizers are another common source of storm
Courtesy photos
water pollution. When used, the application instructions must be followed, and the minimum amount possible should be ap- plied. They should not be applied before pending rainstorms and should not be overwatered. Water should not be washing the pesti- cides or fertilizers into the road or gutter.
Another common source of storm water pollution is litter or trash. Styrofoam cups, plastic bot- tles, cigarette butts, plastic bags, etc. often get into the storm sys-
LEFT: This is the South Gate culvert, a typical stormwater culvert and channel. Luke Air Force Base’s storm sewer system connects to Arizona’s streams and rivers, and nothing can go in it but rainwater.
tem. Sometimes trash is dropped in parking lots or around build- ings, but usually it accidentally blows out of a vehicle or dumpster.
This is easy to prevent by plac- ing trash and recyclable items in garbage or recycling containers and ensuring lids to dumpsters are then closed. Closing the lids keeps trash from blowing out and keeps rain from getting into the dumpsters.
The Clean Water Act regulates storm water quality. Luke AFB has two permits from the Arizona Department of Environmental Quality to allow rainwater to leave Luke’s property. The locations where rainwater leaves Luke are regularly inspected to ensure the water is not polluted. If someone sees something that could cause storm water pollution, they should call Josefa Silva, Luke’s storm
water program manager at 623- 856-3621, or email josefa.silva.1@ us.af.mil.
It is everyone’s responsibility to help ensure only rain is in the storm drain.
“No Dumping, Drains to Waterways” decals are
posted at all storm drains
and stormwater culverts on Luke Air Force Base, like this one near the flightline. These signs are messages and reminders that these drains are connections to our Arizona waterways, and nothing but rain should go down them.
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