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

Connecticut Water Service, Inc. (CTWS) shows solid improvement this week. The company’s rating rises from a B to a A. Connecticut Water Service, Inc. operates in the water activities, real estate transactions, and services and rentals segments. For more information, get Portfolio Grader’s complete analysis of CTWS stock.

York Water Company (YORW) boosts its rating from a B to a A this week. 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) earns a B this week, jumping up from last week’s grade of C. 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.

Consolidated Water Co. Ltd. (CWCO) is seeing ratings go up from a C last week to a B this week. Consolidated Water Co. Ltd. processes and sells water to commercial, residential, and governmental customers in the Cayman Islands, Belize, and the Bahamas. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of CWCO 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.