1. AWWA. (2001). Reinvesting in Drinking Water Infrastructure: Dawn of the Replacement Era.https://www.tucsonaz.gov/files/water/docs/Dawn_of_the_Replacement_Era.pdf
2. AWWA. (2019a).Water and wastewater rate survey book(p.77). ISBN: 9781625763365.https://www.awwa.org/AWWA-Articles/rate-survey-water-cost-increases-outpacing-other-us-goods-and-services
3. AWWA. (2019b).State of the water industry report.https://www.awwa.org/Portals/0/AWWA/ETS/Resources/2019_STATE%20OF%20THE%20WATER%20INDUSTRY_post.pdf
4. Water Affordability: Who's Going to Pick Up the Check?
5. Policy Note: A Universal Equity–Efficiency Model for Pricing Water