ࡱ> ` T$bjbj Br  , , ,8D,T, j-----8I8I8I[j]j]j]j]j]j]j$`lhn j GRC4IGRGRj --jYYYGR 8-< l-[jYGR[jYYd$  ,e-t- PiBK ,#Sefj0je>oSPo4eo e8IKYM|&O!8I8I8IjjOVj8I8I8IjGRGRGRGR $! , ,  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  09 13 07 A1 Colton, CA 92324 Colton, CA 92324  MM DD YY TYPE AGENCY STREET ADDRESS FACILITY CITY & STATE 09 13 07 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: September 28, 2007 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 TypeDate00-00910/06/00NPDES01/19/06A1N05-07509/30/05NPDES08/01/06B1N05-07509/30/05NPDES09/13/07A1N 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: September 28, 2007 Location & County: 650 N. La Cadena Drive, Colton, CA 92324, San Bernardino County Contact(s): Martin Guerrero, Chief Operator Inspection Date: September 13, 2007 Inspected By: Najah N. Amin, WRCE Site(s): STP, Colton, 120 S. Rancho Road, Colton, CA 92324 Observations and Comments: On September 13, 2007, I inspected the City of Colton's STP to verify the facilitys effluent discharge compliance with Order No. 05-0075. Both screen bars at the head-works are operational and floating materials and solids are removed efficiently and nothing has changed mechanically or physically. One chamber of the head-works is empty and the operators are in the process of cleaning this chamber by removing accumulated solids and repairing the structure of the chamber. 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. Digester #2 & #3 are operating and digester #1 is out of service due to a collapsed dome. Plant #1 is abandoned. Plant #2 receives 2.3 MGD of wastewater. This plant is running adequately, but has very strong odors. There were a lot of dark colored, sludge-looking materials floating on the surface of the wastewater. The secondary clarifier of this unit also was in very bad shape. There was a lot of algae build-up around the weirs and that lets a lot of suspended solids pass through the weirs, which may have an effect or impact on the operations and the percolation rates of the ponds at RIX the facility. This can also create a layer of slimy cover at the bottom of the ponds, or the solids can remain suspended in the water where the disinfection of these suspended solids will be difficult. I recommended weekly cleaning of the clarifier to get rid of algae. Plant # 3 (five oxidation ditches) is running very efficiently. Two of these units have SymBio systems. 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 and clean. A turbidity read-out instrument has been installed at the effluents discharge point to continuously read the effluent turbidity. The effluent flow reading was 6.89 MGD, pH 6.58 units, EC was 682, and turbidity was 1.73 NTU. This facility has piles and piles of sludge at the site and the city of Colton does not have any contractors to remove or haul the dried sludge from the plant. The piles of the sludge are a nuisance in the plant and it will be a problem during rainy season. When it rains, the sludge may wash down to the nearby Santa Ana River. Therefore, I recommended they remove the dried sludge from the plant as soon as possible or face ACL if indeed any sludge is discharged to the Santa Ana River. Review of monthly reports indicates that this facility is in compliance with Order No. 05-0075. No violations were detected during this inspection. The lab analysis report is attached to this report.   PAGE 3 SANTA ANA REGIONAL WATER QUALITY CONTROL BOARD SANTA ANA REGIONAL WATER QUALITY CONTROL BOARD INSPECTION REPORT  "%-FHKLMNOZa' ( * 0 ? 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Aminl Najah Amin4         Oh+'0 ,@ T`    DCALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD-SANTA ANA REGIONCity of Colton InspectionNajah N. Aminl Normal.dot Najah Amin2Microsoft Office Word@F#@0F$@!%K@!%K$՜.+,0x $ , ySurvalliance & EnforcementGary Stewart(Regional Water Quality Control Board2 ACALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD-SANTA ANA REGION Title  !"#$%&'()*+,-./0123456789;<=>?@ACDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz|}~Root Entry FPBKData :1TableBpWordDocumentBrSummaryInformation({DocumentSummaryInformation8CompObjq  FMicrosoft Office Word Document MSWordDocWord.Document.89q