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Steve Hiltner: Princeton’s Drinking Water

waterglassThis past summer, we had some trouble keeping goldfish alive in our backyard miniponds. One possible reason is the chloramine used to disinfect Princeton’s drinking water. Chloramine–a combination of chlorine and ammonia–is safe for mammals but not for fish and frogs. By augmenting the pond’s rainwater with town water from the hose, I may have unwittingly zapped the fish. The chloramine is safe for people and other mammals because our digestive systems break down the chloramine before it reaches the blood stream. Fish, in contrast, absorb it straight into the blood through their gills. Water used for dialysis also has to be filtered.

If you’ve noticed a stronger smell of chlorine in the tapwater lately, it’s because our water company, New Jersey American Water, has switched from chloramine to free chlorine (“free” chemically, not monetarily) for the duration of this month through February, as part of a routine cleaning of the water delivery system. Free chlorine is a stronger disinfectant, but isn’t used year-round in part because chlorine can combine with trace organic compounds in the water to form organochlorides, or what they’re calling DPEs these days (disinfectant bi-products). The EPA seeks to minimize these in drinking water. A company rep told me that any slight increase in DPEs caused by the use of free chlorine for this annual treatment is well within EPA safety standards. click to continue…

Krystal Knapp

Krystal Knapp is the founding editor of Planet Princeton. She can be reached via email at editor AT planetprinceton.com. Send all letters to the editor and press releases to that email address.

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Set in Stone: Lithography in France, 1815-1900

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Worship in Color and Family-style Dinner

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Hopewell Valley Vineyards Farm to Table Dinner

December 20 @ 6:00 pm - 9:00 pm
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Free Vision Screening

December 21 @ 10:00 am - 1:00 pm
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Traversing The Ten Crucial Days Campaign

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Home for the Holidays

December 18 @ 1:00 pm - 3:00 pm
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Set in Stone: Lithography in France, 1815-1900

December 19 @ 10:00 am - 4:30 pm
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