LA Sanitation and Environment Friday announced it was offering reimbursements for either air conditioning units or hotel rooms to more El Segundo residents to improve their quality of life amid an odor caused by a sewage spill at the Hyperion Water Reclamation Plant.

On July 11, 17 million gallons of raw sewage was discharged into the ocean from Hyperion Water Reclamation Plant. A county official initially tweeted that a power outage had caused the problem, but plant officials later attributed it to debris that clogged screens and caused flooding at the facility. Crews were still working to remove excess water and sewage from the facility, and in the meantime, the city of Los Angeles, which owns the plant, is offering nearby residents help to cope with the smell.

The city’s initial offer Thursday was limited to El Segundo residents within the boundaries of Imperial Avenue, Grand Avenue and Main Street. On Friday, officials extended it to El Segundo residents between Imperial Highway, Pacific Coast Highway, El Segundo Boulevard and Vista del Mar.

Those who don’t have air conditioning can purchase air conditioning units and be reimbursed $600 for homes 1,000 square feet and smaller, or $1,200 for homes more than 1,000 square feet.

If residents prefer to stay in a hotel room, they can be reimbursed up to $182 per day, as well as meals and incidentals up to $62 per day for each person who lives full time in the household. The offer is available through July 29. Applications must be submitted within 24 hours of checking into a hotel or purchasing an air conditioning unit, and are available at lacitysan.org.

The Hyperion Water Reclamation Plant discharged all 17 million gallons of raw sewage through its one- and five-mile outlets on July 11.

Beaches were closed the next day, prompting questions about why it took a day to notify the public about the raw sewage spill and close the following areas:

— Dockweiler State Beach at Water Way Extension;

— Dockweiler State Beach at Hyperion Plant;

— El Segundo Beach; and

— Grand Avenue Storm Drain.

The beaches were reopened July 15, after ocean water samples collected over two days met state standards for acceptable water quality, according to the Los Angeles County Department of Public Health.

Hyperion Executive Plant Manager Timeyin Dafeta issued a statement on July 12, saying the plant “became inundated with overwhelming quantities of debris, causing backup of the headworks facilities. The plant’s relief system was triggered and sewage flows were controlled through use of the plant’s one-mile outfall and discharge of untreated sewage into Santa Monica Bay.”

Dafeta said the 17 million gallons of sewage — about 6% of a daily load — were discharged as an emergency measure to prevent the plant from going offline and discharging even more raw sewage. Normally, only treated sewage is discharged through the five-mile outfall, not the one-mile outfall.

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