Pursuant to the Rangeview Water Agreements and an Export Service Agreement entered into with the Rangeview District dated June 19, 2017, the Company provides water and wastewater services on the Rangeview District’s behalf to the Rangeview District’s customers. Sales to the Rangeview District accounted for 25%, 67% and 19% of the Company’s total water and wastewater revenues for the fiscal years ended August 31, 2017, 2016 and 2015, respectively. The Rangeview District had one significant customer, the Ridgeview Youth Services Center. The Rangeview District’s significant customer accounted for 21%, 55%, and 16% of the Company’s total water and wastewater revenues for the fiscal years ended August 31, 2017, 2016 and 2015, respectively.

Revenues from two other customers directly and indirectly represented approximately 55%, 1%, and 75% of the Company’s water and wastewater revenues for the fiscal years ended August 31, 2017, 2016 and 2015, respectively.  Of the two customers, one customer represented 25%, nil, and nil of the Company's water and wastewater revenues for the fiscal years ended August 31, 2017, 2016, and 2015, respectively, and the other customer represented 30%, 1%, and 75% of the Company's water and wastewater revenues for the fiscal years ended August 31, 2017, 2016, and 2015, respectively.

The Company had accounts receivable from the Rangeview District which accounted for 50% and 74% of the Company’s trade receivables balances at August 31, 2017 and 2016, respectively. Of the trade receivables from the Rangeview District, approximately 50% is related to water tap sales and 50% is related to water and wastewater service sales. The Company had accounts receivable from one other customer of approximately 46% and 16% at August 31, 2017 and 2016, respectively. Accounts receivable from the Rangeview District’s largest customer accounted for 19% and 63% of the Company’s water and wastewater trade receivables as of August 31, 2017 and 2016, respectively.