This week, 4 Water Utilities stocks are improving their overall ratings on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

American States Water Company (AWR) shows solid improvement this week. The company’s rating rises from a B to a A. American States Water Company provides water and electric utility services to residential and commercial customers in the United States. For more information, get Portfolio Grader’s complete analysis of AWR stock.

This is a strong week for SJW Corp. (SJW). The company’s rating climbs to B from the previous week’s C. SJW Corp. is an investor-owned public utility, and is a technically sophisticated urban water system in the United States. For more information, get Portfolio Grader’s complete analysis of SJW stock.

York Water Company (YORW) gets a higher grade this week, advancing from a B last week to a A. York Water Company is in the business of impounding, purifying to meet or exceed safe drinking water standards, and distribute water in the state of Pennsylvania. For more information, get Portfolio Grader’s complete analysis of YORW stock.

California Water Service Group (CWT) boosts its rating from a C to a B this week. California Water Service Group is involved in producing, purchasing, storing, treating, testing, distributing, and selling water to be used domestically, industrially, publicly, and for fire protection and irrigation. For more information, get Portfolio Grader’s complete analysis of CWT stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.