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2018 Annual Meeting
& Energy Gala
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NSWA 2017 Annual Meeting is March 23-24

NSWA 2017 Annual Meeting is March 23-24

Registration Now Open
NSWA Annual Meeting & 11th Annual Energy Gala
March 23 & 24, 2017
Embassy Suites Bricktown
Oklahoma City, OK

It's Tax Time Again!

Percentage Depletion Calculators

If you STILL don't know exactly what percentage depletion means to you, download one of our Percentage Depletion Calculators for help at tax time. Please note NSWA assumes 15% percentage depletion on all properties.

NSWA Percentage Depletion Worksheet Download

Percentage Depletion vs. Cost Depletion Calculator (property by property basis - external link)