ࡱ> dfc%  bjbj%% :VGGll....*8T,*WH00FFF333GGGGGGG$I KG3*.333G7..FFH7773.8F~lFG73G77D8fCf,DF$ *4$2DDL'H0WHLD>L5LD7**....OFFICE NO: 8 INSPECTOR: NNA PCA SYSTEM TASK NO.: 102  8 360105001 Colton, City of STP, Colton WDS No. NAME OF AGENCY OR PARTY RESPONSIBLE FOR DISCHARGE NAME OF FACILITY 00-009 650 N. La Cadena Drive 1201 S. Rancho Avenue WDR Ord No. AGENCY STREET ADDRESS FACILITY STREET  06 19 01 A1 Colton, CA 92324 Colton, CA 92324  YY DD MM TYPE AGENCY STREET ADDRESS FACILITY CITY & STATE 06 19 01 Eric R. Fraser Martin Guerrero Actual Inspection AGENCY CONTACT FACILITY CONTACT Date (YYDDMM)  (909)370-6111 (909) 825-7223 AGENCY PHONE NO. FACILITY PHONE NO. S Inspection Agency (S=STATE, J=JOINT STATE/USEPA)   N If this inspection is a compliance inspection on an NPDES facility, send a copy of this report to SWRCBs Division of Water Quality, Program Support Unit INSPECTION TYPE (Check One) A1 X A type compliance--Comprehensive inspection in which samples are taken. (EPA Type S) B1 B type compliance--A routine nonsampling inspection. (EPA Type C) 02 Noncompliance follow-up--Inspection made to verify correction of a previously identified violation. 03 Enforcement follow-up--Inspection made to verify that conditions of an enforcement action are being met. 04 Complaint--Inspection made in response to a complaint. 05 Pre-requirement--Inspection made to gather info. relative to preparing, modifying, or rescinding requirements. 06 Miscellaneous--Any inspection type not mentioned above. If this is an EPA inspection not mentioned above please note type. (e.g. biomonitoring, performance audit, diagnostic, etc.)  N Were violations noted during this inspection? (Yes/No/Pending Sample Results)  N Was this a Quality Assurance-Based inspection?  N Were bioassay samples taken? (N=no) If YES then, S= Static or F= Flow through. INSPECTION SUMMARY (REQUIRED) (100-character limit) Treatment plant is operating adequately and there were no violations. INITIALS: NNA SIGNATURE: DATE: February 24, 2006 For Internal Use: Reviewed by: (1) (2) (3) Regional WDS Coordinator WDS Data Entry Date: -- -- Regional Board File Number:  VIOLATION (IF APPLICABLE) VIOLATION TYPE? (A-G) (See Pages IK05.0 and IK05.1 of the Micro Waste Discharger System Users Manual) DATE OF VIOLATION (YYMMDD): NA  DATE OF VIOLATION DETERMINATION (YYMMDD): DESCRIPTION OF VIOLATION (200 Character Limit): EMWD is in violation of Order #98-67 for exceeding pH limits at both ends of the acceptable range. EPA SUGGESTED INSPECTION CHECKLIST SatisfactoryMarginalUnsatisfactoryNot EvaluatedPermitXFlow MeasurementXPretreatmentXOperations and MaintenanceXRecords/ReportsXLaboratoriesXCompliance SchedulesXSludge DisposalXFacility Site ReviewXEffluent/Receiving WatersXSelf-MonitoringX Overall Facility Operation Evaluation  (5=Very Reliable; 3=Satisfactory; 1=Unrelaiable): 3 HISTORICAL INFORMATION: MOST RECENT: Order No.Adopted DateTypeDateInspection TypeViolationsViolation TypeDate00-00910/06/00WDR01/19/06A1N ADDITIONAL COMMENTS, SPECIAL INSTRUCTIONS, ITEMS FOR FOLLOWUP ON FUTURE INSPECTIONS, NOTES, ETC. (On following pages, if necessary) SEE ATTACHED INSPECTION NOTES. ADDITIONAL INFORMATION Report Date: February 24, 2006 Location & County: 650 N. La Cadena Drive, Colton, CA 92324, San Bernardino County Contact(s): Martin Guerrero, Chief Operator Inspection Date: January 19, 2006 Inspected By: Najah N. Amin Site(s): STP, Colton, 120 S. Rancho Road, Colton, CA 92324 Observations and Comments: On January 19, 2006, I inspected the City of Colton's STP to verify the facilitys effluent discharge compliance with Order No. 00-009 Both screen bars at the head-works are operational and floating materials and solids are removed efficiently. Small amounts of the grit from the bottom of the head-works are being circulated to the top of the head-works to extend the time of the grit settlings. The grit is removed from head-works every 3 months. Plant #1 (primary and secondary units) is down and they will be going through engineering evaluation to determine if these units are operational or not. Digester #2 & #3 are in process and the digester #1 is out of service due to a collapsed dome. Plant # 3 (five oxidation ditches) and Plant #2 (two aerators) are in good operational condition. The SymBio units are working properly since their installation in two of the oxidation basins. The SymBio system enhances nitrogen removal and also decreases the demand for continuous air flow. Mixed liquor color looked light brown and healthy. Wastewater in the secondary clarifiers looked clear except for some suspended solids passing over the weirs, which may have an effect or impact on the operation and the percolation rates of the ponds at the RIX facility. These suspended solids ultimately will settle in the RIX ponds and create a layer of slimy cover at the bottom of the ponds or they will remain suspended in the water where the disinfection of these suspended solids will be difficult. A turbidity read-out instrument has been installed at the effluents discharge point to continuously read the effluent turbidity. The effluent flow reading at 1000 hrs. was 5.464 MGD, pH 7.1 units, EC was 741, and turbidity was 5.49 NTU. Six drying beds have been cleaned and put into service again. A budget has been created for sludge transportation from the Colton facility to Arizona. The plant has not discharged directly to the Santa Ana River during this last rainy season. Review of monthly reports indicates that this facility is in compliance with Order No. 00-009. No violations were detected during this inspection. However, we recommend that the instruments in the facility should be repaired and readings must be accurate. Composite samples were collected from discharge point to RIX facility and the results of the analysis are attached to this inspection report. There were some improvements to their stormwater discharge; they implemented a good BMP. In the past the storm runoff from the east side of the plant used to discharge directly to the storm channel. They now divert all storm runoff to a pit they built near an asphalted area. This pit is connected to the nearby manhole inside the plant and ultimately will be pumped to the headworks of the plant.   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