The following documents detail stories of communities successfully coming into compliance with the Arsenic Rule. The case studies describe strategies used, alternatives considered, and lessons learned.

• Scottsdale, Arizona: Case Study in Arsenic Treatment Technologies (PDF)(3 pp, 88 K, About PDF) EPA 816-F-03-013, May 2003 This is a case study on arsenic treatment technologies in Scottsdale, Arizona
• Tucson, Arizona: Case Study in Arsenic Treatment Technologies (PDF)(3 pp, 86 K, About PDF) EPA 816-F-03-015, May 2003 This is a case study on arsenic treatment technologies in Tuscon, Arizona
• Paramount, California: Case Study in Arsenic Treatment Technologies (PDF)(3 pp, 449 K, About PDF) EPA 816-F-03-014, May 2003 This is a case study on arsenic treatment technologies in Paramount, California
• Fairbanks, Alaska: Case Study in Arsenic Treatment Technologies (PDF)(3 pp, 98 K, About PDF) EPA 816-F-03-012, May 2003 This is a case study on arsenic treatment technologies in Fairbanks, Alaska

• Coldwater Canyon Water Company, AZ: Testing Emerging Technologies to Reduce Treatment Costs (PDF)(2 pp, 132 K)
  This is a case study on testing emerging technologies to reduce treatment costs in Coldwater Canyon, AZ
• City of Lemoore, CA: Water Quality-Based Well Design (PDF)(2 pp, 101 K)
  This case study discusses the City of Lemoore, CA water quality-based well design
• McCook, NE: Addressing Multiple Contaminants Through Treatment and Blending (PDF)(2 pp, 123 K)
  This case study addresses multiple contaminants through treatment and blending in McCook, NE
• Wisconsin: Geologic Solution for Private Wells in Outagamie and Winnebago Counties (PDF)(2 pp, 141 K)
  This case study discusses geologic solution for private wells in outagamie and winnebago counties in Wisconsin
• Dare County, NC: Integration with Existing Reverse Osmosis Treatment (PDF)(2 pp, 107 K)
  This case study discusses Integration with existing reverse osmosis treatment in Dare County, NC
• Michigan: Arsenic in Schools (PDF)(2 pp, 109 K)
  More than 100 schools in Michigan found cost effective, easy-to-implement solutions to their arsenic problems
• Ripon, CA: Pilot Studies Useful for Treatment Evaluations (PDF)(2 pp, 224 K)
  This is a pilot studies in Ripon, CA discussing treatment evaluations
• Fallon, NV: Pooling Resources to Construct Arsenic Treatment Facility (PDF)(2 pp, 153 K)
• Yukon, OK: Purchasing Water From a Neighboring Public Water System (PDF)(2 pp, 114 K)
  Case study in Yukon, OK discussing purchasing water from a neighboring public water system
• Seattle, WA: Arsenic in Public Schools (PDF)(2 pp, 106 K)
  Seattle Public Schools investigated arsenic levels in school drinking water after finding high levels at several new drinking water fountains
• Cedar Woods, NC: System Purchase by Another Public Water System (PDF)(2 pp, 111 K)
  A private utility firm agreed to purchase the Cedar Woods, NC water system and install 3,000 feet of mains to connect it with a neighboring water system with low-arsenic source water
• Defense Distribution Depot San Joaquin Sharpe Site, CA: The Value of Researching All Possible Alternatives (PDF)(2 pp, 102 K)
  The environmental staff at the Defense Distribution Depot San Joaquin Sharpe Site identified an innovative solution for arsenic treatment that cost less and was quicker to implement than other alternatives
• Nevada: Tribal System Experience With Arsenic Rule Compliance (PDF)(2 pp, 189 K)
  The Tribe investigated two potential treatment alternatives but selected the one that offered the better unit cost for producing water