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SSO - General Information  
SSO Event ID: 833770 Regional Water Board: 9
Spill Location Name: 9118 E Sierra Alta Way, El Cajon, CA 92021 Agency: San Diego County Dept of Public Works
WDID: 9SSO10662 Sanitary Sewer System: County of San Diego CS
File Name File Description Date/Time Uploaded Status
833770_Version_1.1.pdf Certified spill pdf : 833770_Version_1.1.pdf 03/21/2017 - 16:17:19 OK
833770_Version_2.1.pdf Certified spill pdf : 833770_Version_2.1.pdf 05/01/2017 - 13:26:06 OK
County of San Diego SSO 833770 Technical Report.pdf SSO Technical Report 05/01/2017 - 13:24:19 OK

 
Glossary of Terms
 
Locate the spill on map
 
Certified by Daniel S. Brogadir on 2017-05-01 00:00:00.0
 
  1 - Spill Type: Category 1
 
 
 2 - Estimate Spill Volumes
  a) Estimated spill volume that reached a separate storm drain that flows to a surface water body? 0
  b) Estimated spill volume recovered from the separate storm drain that flows to a surface water body? (Do not include water used for clean-up) 0
  c) Estimated spill volume that reached a drainage channel that flows to a surface water body? 900000
  d) Estimated spill volume recovered from a drainage channel that flows to a surface water body? 0
  e) Estimated spill volume discharged directly to a surface water body? 0
  f) Estimated spill volume recovered from surface water body? 0
  g) Estimated spill volume discharged to land? (Includes discharges directly to land, and discharges to a storm drain system or drainage channel that flows to a storm water infiltration/retention structure, field, or other non-surface water location.) 0
  h) Estimated spill volume recovered from the discharge to land? (Do not include water used for clean-up) 0
Estimated
Total spill volume
Reach Surface Water
(a-b+c+e)
Estimated
Total spill volume
Reach Land
(g)
Estimated
Total spill volume
Recovered
(b+d+f+h)
Estimated
Total spill volume

(a+c+e+g)
900000 0 0 900000
 3 - Did the spill discharge to a drainage channel and/or surface water? Yes
 4 - Did the spill reach a separate (i.e.,not combined) storm drainpipe? No
 5 - If spill reached to a separate storm drainpipe, was all of the wastewater fully captured from the separate storm drain and returned to the sanitary sewer system? Not Applicable - Spill did not reach a separate storm drainpipe
 
Physical Location Details
 6 - Spill location name: 9118 E Sierra Alta Way, El Cajon, CA 92021
 7 - Latitude of spill location: 32.84217
 8 - Longitude of spill location: -116.88089
 9 - County: San Diego
 10 - Regional Water Quality Control Board: 9    
 11 - Spill location description: Spill occurred directly within a earthen drainage channel/creek channel.
 
Spill Details
 12 - Number Of appearance points: 1
 13 - Spill appearance point: Gravity Mainline
 14 - Spill appearance point explanation:
 15 - Final spill destination:
Drainage Channel;Surface Water
 16 - Explanation of final spill destination:
 17 - Estimated spill start date/time: 2017-02-28 16:00:00.0
 18 - Date and time sanitary sewer system agency was notified of or discovered spill: 2017-03-17 12:00:00.0
 19 - Estimated Operator arrival date/time: 2017-03-17 12:30:00.0
 20 - Estimated spill end date/time: 2017-03-17 03:00:00.0
 21 - Spill cause: Natural Disaster
 22 - Spill cause explanation:
 23 - Where did failure occur? Gravity Mainline
 24 - Explanation of Where failure occured:
 25 - Was this spill associcated with a storm event? Yes
 26 - Diameter of sewer pipe at the point of blockage or failure: 12
 27 - Material of sewer pipe at the point of blockage or failure: PVC
 28 - Estimated age of sewer asset at the point of blockage or failure: 15
 29 - Spill response activities:
Cleaned-Up;Mitigated Effects of Spill;Other (specify below);Restored flow;Property Owner Notified;Other Enforcement Agency Notified
 30 - Explanation of spill response activities:
Hired Emergency Contractor to repair and stabilize sewer main. Sampled creek flows at multiple locations at and downstream of point of discharge. Contractor inspected, cleaned and remediated downstream drainage course.
 31 - Spill response completion date: 2017-03-18 16:00:00.0
 32 - Spill corrective action taken:
Repaired Facilities or Replaced Defect
 33 - Explanation of spill corrective action taken:
NA
 34a - Is there an ongoing investigation? No
 34b - Reason for ongoing investigation?
  35 - Visual inspection results from impacted receiving water:
 36 - Health warnings posted? No
 37 - Did the spill result in a beach closure (If YES, answer questions 38)? No
 38 - Name of impacted beach(es) (enter NA if not applicable): NA
 39 - Name of impacted surface water(s) (enter NA if not applicable): Los Coches Creek
 40 - Water quality samples analyzed for:
Dissolved oxygen;Other chemical indicator(s) - specify below;Biological indicator(s) - specify below
  41 - Explanation of water quality samples analyzed for:
Total coliform, Fecal coliform, E. coli, Enterococcus, Dissolved Oxygen, Temperature, Ammonia Nitrogen, BOD, Total Suspended Solids
 42 - Water quality sample results reported to:
County Health Agency
  43 - Explanation of water quality sample results reported to:
  44 - Explanation of volume estimation method used:
Estimated volume using open channel flow equation based on pipe diameter, depth of flow, slope, and duration of discharge.
 
Notification Details
  45 - Cal OES Control Number
172207
  46 - Cal OES Called Date/Time
2017-03-17 16:00:00.0
  47(a) - Name and Tittle (Contact person who can answer specific questions about this SSO)
Collins Solomon, Senior Civil Engr
  47(b) - Contact Person Phone Numner
6196029221

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