Word: mwra
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...city temporarily switched to the Mass. Water Resources Authority (MWRA) water supply to allow construction of new purification facilities at Fresh Pond...
Because it draws from deeper reservoirs, thenew water supply is also slightly colder, Nicolorosaid. Cambridge's water supply is about 78 degreesFahrenheit, but the MWRA water runs at about 70 to72 degrees Fahrenheit, he said...
Thomas Lee, a spokesperson for MWRA, a waterwholesaler, said the chemistry of the MWRA wateris the same as the city's water, which should makethe transition easier...
...MWRA water has a pH level of 9, and analkalinity of 30 milligrams per liter. Higher pHlevels signal reduced corrosivity, he said, whilehigher alkalinities make the pH level more stable...
...pretty delicate chemistry," Lee said.Corrosion can be a problem especially in olderpipes and water mains, he said. The MWRA upped itspH from 7.8 to 9 July...