- Planning Commission approves Leona Quarry project
- City settles with Burkhalter Neighbors group
- Apr 1, 2004: Grading begins at Quarry
- Apr 2, 2004: Residents complain of silt and muddy water in the creek
- May 27, 2004: City "discovers" source of pollution
- Aug 5, 6, 7, 2004: City fines Desilva Gates for violation
- Aug 2004: Water main break causes mudslide and erosion on site
- Sep 19, 2004: Early rain reveals flaws in erosion control and BMPs
- Oct 20, 2004: First rain of rainy season washes away much of hydroseed and other erosion control measures
- Oct 26, 2004: Oakland City Council Public Works Committee considers approval of Final Map and wet weather grading permit. The Committee recommends review at City Council Meeting.
- Nov 2, 2004: SF Bay Regional Water Quality Control Board issues Notice of Non Compliance to DeSilva Gates.
- Nov 11, 2004: Detention pond is topping out after 2 hours of rain. Filtration tanks are unable to keep up with the inflow . Dirty water is discharged from the temporary basin and the filtration tank.
- Nov 16, 2004: City Council returns Agenda item for further review by Public Works Committee
- Dec 14, 2004: Staff is unable to produce required documents and a response to the letter from the Natural Heritage Institute, attorneys representing the Millsmont Homeowners Association. Item was continued for further discussion at the next Public Works Committee meeting on Jan 25, 2005.
- Jan 25, 2005: Public Works Committee meeting. Staff submits report. Inconsistencies and missing documents are noted. Staff Report is forwarded to City Council with the understanding that staff will provide missing peer review documents and answers at that time.
- Feb 1, 2005: Staff report is accepted by City Council.
- Feb 10, 2005: Sewer repair meeting is held for the Millsmont community. None of the residents along Oakdale were notified of the meeting. Two sewer mains running alongside Chimes Creek are scheduled for replacement in the spring of 2006. Staff acknowledges this work is subject to Category 4 Creek Protection Permit.
- Feb 21, 2005: Half of the site runoff, including stormwater from Ridgemont, was diverted away from the detention pond and plugged directly into the 39" pipe connecting to the City storm drains. Residents along Chimes Creek reported massive water flow and additional loss of property. One resident reported that the sewer manhole in his backyard gushed out raw sewage "for hours." City Engineers have so far not denied that they approved this temporary diversion to help alleviate the pressure on the overworked filtration system.