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Posted at 3:40 PM ET, 04/20/2010

Water advisory canceled for NW

By Washington Post editors

The District's Water and Sewer Authority has canceled the advisory for some neighborhoods in Northwest to not use the water.

The advisory has been lifted for all neighborhoods in the affected area. WASA says it conducted comprehensive testing of the water system over the last several hours and results show the water is safe for drinking, bathing, cooking and cleaning. However, as an added precaution, WASA officials recommend discarding any food, ice or infant formula that was prepared with water between 5:00 a.m. and 2:30 p.m. Tuesday. In addition, any faucets or taps that have not been used during the water advisory should be flushed for 10 minutes.
WASA says the advisory was issued because of a higher-than-normal chlorine concentration.

WASA officials do not know what caused the spike.

Customers with questions about their water should call WASA's Water Quality Division at 202-612-3440, Mon-Fri, 8:00 a.m. to 5:00 p.m.

Water advisory in some areas of NW
Update, 11:45 a.m.

Officials at the District's Water and Sewer Authority have announced new boundaries for the Northwest D.C. water advisory. WASA officials said customers bounded by: Connecticut Avenue, River Road, Western Avenue and Nebraska Avenue should refrain from using water until further notice, according to WASA spokesman Alan Heymann.

The utility has urged customers to not use water due to an chlorine spike that was discovered early this morning.

View Area affected by WASA water advisory in a larger map

Earlier post:

Officials at the District's Water and Sewer Authority (WASA) are advising customers in certain Northwest neighborhoods not to use water until further notice due to a higher-than-normal chlorine concentration.

The boundaries of the area are:

West Boundary: MacArthur Boulevard NW
North Boundary: Western Avenue and Eastern Avenue NW
East Boundary: Amtrak railroad
South Boundary (east side of Rock Creek): Upshur Street NW
South Boundary (west side of Rock Creek): Calvert Street to Observatory Circle to W Street

The spike happened early Tuesday morning at DC WASA’s unmanned Fort Reno facility when it was offline for routine maintenance disinfection. At 7:30 a.m. Tuesday, operators at the Bryant Street Pump Station identified a drop in the reservoir at Fort Reno, which indicated the possibility of a chlorine spike. WASA dispatched staff to confirm a higher-than-normal chlorine concentration in the water, which they determined had happened at approximately 5 a.m.

Customers who used water with excess chlorine may have noticed taste and odor problems. While unlikely, the chlorine may also cause a reaction in individuals with sensitive skin. Anyone who observes such a reaction should contact a physician.

WASA officials notified the Environmental Protection Agency immediately upon learning of the chlorine spike. Water-quality crews are monitoring the system across the entire affected area and will advise the public when the water supply has returned to normal. WASA's staff is also assessing the causes of the problem.

Customers with questions should call the D.C. WASA 24-hour Emergency Center at 202-612-3400.

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By Washington Post editors  | April 20, 2010; 3:40 PM ET
Tags:  Drinking water, Water, Water quality, Water supply  
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posting a map would have been helpful.

Here's a link to DC WASA's [pdf] map of effected areas:

Posted by: dckh | April 20, 2010 10:42 AM | Report abuse

I think this is about right.,-77.045231&spn=0.106803,0.174923&z=13

Posted by: librarynerd | April 20, 2010 10:44 AM | Report abuse

Or click here for an approximate, unofficial map:

Posted by: librarynerd | April 20, 2010 10:52 AM | Report abuse

The WASA map is a joke. Unless you know precisely where your home is located on the city grid it's almost of no help whatsoever.

Posted by: Aaron20011 | April 20, 2010 10:58 AM | Report abuse

Is the urge to not use water all-inclusive? As in, are they urging us to discontinue all use of water (including showering) or just the consumption of it? The statement implies that washing with over-chlorinated water could cause some irritation but it doesn't explicitly say if we should avoid unnecessary contact with the water. I was just wondering because I think most people just think they should avoid drinking the water, but maybe not that they should avoid washing with it, etc ...

Posted by: iscribe | April 20, 2010 11:42 AM | Report abuse

The affected area much larger than map shows.
In Tenleytown south of map boundary,tap water running brown

Posted by: B4chesordr | April 20, 2010 2:33 PM | Report abuse

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