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The Honolulu Advertiser

Posted at 4:51 p.m., Thursday, November 2, 2006

Rains lead to more wastewater spills

Advertiser Staff

Runoff from heavy rains today triggered three wastewater spills, including another one at the city's Kaneohe Pretreatment Facility where untreated wastewater overflowed yesterday.

An estimated 18,225 gallons of untreated wastewater to overflow from two manholes in the Kaneohe facility between noon and 3:15 p.m. Another 6,750 gallons of untreated wastewater overflowed from a manhole and into Kaneohe Bay between 11:45 a.m. and 2 p.m. Another 1,200 gallons overflowed from that same manhole yesterday.

"Several days of heavy rains not only saturate the earth, but leave our wastewater system vulnerable to being overwhelmed by additional runoff," said Ken Shimizu, deputy director of Environmental Services.

In addition to the Kaneohe spills, Environmental Services crews responded to:

  • Wastewater overflowing from a manhole in the Dowsett area of Nuuanu. An estimated 920 gallons spilled between 12:48 and 2:20 p.m. and were washed into nearby drainage systems that lead to Nuuanu Stream. Response crews found a 12-inch sewer main blocked by roots and rags.

  • Two homeowner complaints about wastewater spills in Kailua that turned out to be simply runoff from the rainstorm. Department of Facility Maintenance pump trucks removed the standing water.