| Project #8018, Blue Lake Plant Improvements | |
Description: This project consists of replacing the existing gaseous chemical effluent disinfection system with liquid chemical disinfection; modifying the existing secondary treatment facilities to remove phosphorus; rehabilitation of facilities nearing the end of their useful life; improvements to the solids processing facilities and odor control; the addition of anaerobic sludge digestion to supplement the existing sludge dryer for reliability; and to recover energy for dryer use; and improvements to plant utility systems, including standby power. The project also includes the staged expansion of the plant's capacity. |
In addition to meeting the regulatory requirements of the NPDES permit, the improvements provide increased process reliability and additional treatment capacity to meet long term service needs of the service area.
Project Schedule |
Authorizations |
|||
Start |
End |
Funding |
Status |
|
Prelim. Engr. |
Jan-03 | Sep-06 |
$800,000 |
Approved |
Design |
Feb-06 | Oct-12 |
$11,200,000 |
Approved |
Construction |
Jun-07 | Dec-21 |
$175,000,000 |
Approved |
Prior Authorization: |
$187,000,000 |
|||
2011 Budget Adjustment: |
0 |
|||
Total 2011 Authorization: |
$187,000,000 |
|||
Future Authorizations: |
$0 |
|||
Total Project Cost: |
$187,000,000 |
|||
Authorized |
Future |
Total |
|
Prior to 2011 |
$81,394,000 |
$0 |
$81,394,000 |
2011 Budget |
25,000,000 |
0 |
25,000,000 |
2012 |
6,000,000 |
0 |
6,000,000 |
2013 |
0 |
0 |
0 |
2014 |
0 |
0 |
0 |
2015 |
0 |
0 |
0 |
2016 |
10,000,000 |
0 |
10,000,000 |
2017 - 2021 |
50,000,000 |
0 |
50,000,000 |
2022 - 2026 |
0 |
0 |
0 |
Contingency |
14,606,000 |
0 |
14,606,000 |
Totals |
$187,000,000 |
$0 |
$187,000,000 |
The plant's O&M costs will increase by approximately $120,000 annually due to the conversion to liquid chemical disinfection. Other plant O&M costs will increase as capacity is increased. Annual solids processing O&M costs will be reduced by over $1,000,000 with the addition of anaerobic digestion prior to heat drying, due primarily to energy cost savings, but total annual O&M costs will increase with increasing wastewater flow and solids production.