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Place ID 879008 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
6A 879008 Tahoe Keys Lagoons Aquatic Weeds Control Methods Test Facility 356 Ala Wai South Lake Tahoe, CA, 96150-6721 El Dorado
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
560368 Person Kirk Wooldridge Contact 01/26/2022
45209 Organization Tahoe Keys POA Operator Privately-Owned Business 01/26/2022
Total Related Parties: 2
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
449227 13383 (Non-Enforcement) 6T NPDNONMUNIPRCS R6T-2022-0043 6A091701001 09/02/2022 Active N
455760 NPDES Permit 6T NPDNONMUNIPRCS R6T-2022-0005 6A091701001 02/25/2022 02/12/2027 Active N
446429 NPDES Permit 6T NPDNONMUNIPRCS R6T-2022-0004 6A091701001 02/14/2022 01/12/2027 Active N
Total Reg Measures: 3
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1124322 03/01/2023 LREP Report due on March 1, 2023, received on November 2, 2023 Violation B Report
1124295 09/13/2022 BPP Exceeded DO RWL of 5 mg/L three (3) times ranging from 2.73 to 3.58 mg/L on 9/13/2022 at Site 9 where Triclopyr was applied. Violation B Report
1124289 08/30/2022 BPP Exceeded DO RWL of 5 mg/L five (5) times ranging from 2.76 to 4.58 mg/L from 8/30/2022 to 9/6/2022 at Site 1 where Endothall was applied. Violation B Report
1124290 08/30/2022 BPP Exceeded DO RWL of 5 mg/L six (6) times ranging from 2.54 to 4.95 mg/L from 8/30/2022 to 9/6/2022 at Site 2 where Endothall was applied. Violation B Report
1124296 08/29/2022 BPP Exceeded DO RWL of 5 mg/L twelve (12) times ranging from 2.22 to 4.82 mg/L from 8/29/2022 to 10/14/2022 at Site 10 where UVC and Endothall was applied. Violation B Report
1124297 08/26/2022 BPP Exceeded DO RWL of 5 mg/L fifteen (15) times ranging from 1.80 to 4.61 mg/L from 8/26/2022 to 9/7/2022 at Site 11 where UVC and Endothall was applied. Violation B Report
1124298 08/26/2022 BPP Exceeded DO RWL of 5 mg/L twenty-two (22) times ranging from 1.75 to 4.95 mg/L from 8/26/2022 to 10/14/2022 at Site 12 where UVC and Triclopyr was applied. Violation B Report
1124291 08/23/2022 BPP Exceeded DO RWL of 5 mg/L seven (7) times ranging from 1.66 to 4.86 mg/L from 8/23/2022 to 9/6/2022 at Site 3 where Endothall was applied. Violation B Report
1124294 08/02/2022 BPP Exceeded DO RWL of 5 mg/L five (5) times ranging from 1.86 to 4.92 mg/L from 8/2/2022 to 9/28/2022 at Site 8 where Triclopyr was applied. Violation B Report
1124293 08/02/2022 BPP Exceeded DO RWL of 5 mg/L thirty-two (32) times ranging from 1.26 to 4.78 mg/L from 8/2/2022 to 10/27/2022 at Site 5 where Triclopyr was applied. Violation B Report
1124299 08/01/2022 BPP Exceeded DO RWL of 5 mg/L twenty-nine (29) times ranging from 2.01 to 4.99 mg/L from 8/1/2022 to 10/14/2022 at Site 13 where UVC and Triclopyr was applied. Violation B Report
1124300 07/27/2022 BPP Exceeded DO RWL of 5 mg/L twenty-three (23) times ranging from 2.64 to 4.89 mg/L from 7/27/2022 to 10/17/2022 at Site 14 where UVC and Triclopyr was applied. Violation B Report
1126112 07/05/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detections in receiving water IRW9 consisted of six detections of Endothall ranging from 5.4 ppb to 63 ppb, with the final detection occurring on 8/9/2022. Violation B Report
1106850 06/28/2022 UAUTHDISC Receiving Water Limitation exceedances per requirements of NPDES Permit section VIII.A.2.K and Permit Attachment E, Sections V. G. 1-2. The TA19 exceedances consisted of Endothall sample concentrations of 360 ppb at 21 days after treatment (DAT) and 220 ppb at 28 DAT that were above the RWL (100 ppb). TKPOA installed and then began aeration at site 19 starting July 6, 2022. Though Endothall concentration levels were initially elevated and have since decreased substantially from 21 DAT to 35 DAT, including reductions to below the RWL (61 ppb), TKPOA will continue to operate the aeration equipment at site 19, but otherwise does not believe that further actions are warranted at this time. Violation B Report
1117899 06/28/2022 Surface Water Endothal Instantaneous Maximum limit is 100.0 ug/L and reported value was 220.0 ug/L at Site 19 - Surface. Violation B Report
1118416 06/28/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 220 ug/L at IRW9 - Combined. Violation B Report
1126107 06/26/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detection in receiving water IRW2 consisted of one detection of Endothall, 6.9 ppb, occurring on 6/26/2022. Violation B Report
1117911 06/21/2022 BPP Triclopyr Instantaneous Maximum limit is 400.0 ug/L and reported value was 1.1 ug/L at Contingency Monitoring Site 3 (CSTN103) Violation B Report
1117898 06/21/2022 Surface Water Endothal Instantaneous Maximum limit is 100 ug/L and reported value was 360 ug/L at Site 19 - Surface. Violation B Report
1118415 06/21/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 380 ug/L at IRW9 - Combined. Violation B Report
1126106 06/17/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detection in receiving water IRW1 consisted of one detection of Endothall, 33 ppb, occurring on 6/17/2022. Violation B Report
1126108 06/14/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detection in receiving water IRW5 consisted of one detection of Endothall, 45 ppb, occurring on 6/14/2022. Violation B Report
1126109 06/14/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detections in receiving water IRW6 consisted of three detections of Endothall ranging from 9.5 ppb to 63 ppb, with the final detection occurring on 6/14/2022. Violation B Report
1118404 06/14/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 120 ug/L at IRW4 - combined. Violation B Report
1118414 06/14/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 470 ug/L at IRW9 - Combined. Violation B Report
1117895 06/13/2022 BPP Endothal Instantaneous Maximum limit is 100.0 ug/L and reported value was 8.3 ug/L at Contingency Monitoring Site 2 (CSTN123). Violation B Report
1124187 06/13/2022 BPP Triclopyr Instantaneous Maximum limit is 400.0 ug/L and reported value was 1.1 ug/L at Contingency Monitoring Site 3 (CSTN103). Violation B Report
1118394 06/13/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 190 ug/L at IRW3 - combined. Violation B Report
1118412 06/13/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 220 ug/L at IRW4-FD - Combined. Violation B Report
1118403 06/13/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 230 ug/L at IRW4 - combined. Violation B Report
1118389 06/13/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 350 ug/L at IRW2 - combined. Violation B Report
1118383 06/13/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 500 ug/L at IRW1 - combined. Violation B Report
1124186 06/11/2022 BPP Triclopyr Instantaneous Maximum limit is 400.0 ug/L and reported value was 1.3 ug/L at Contingency Monitoring Site 3 (CSTN103). Violation B Report
1124292 06/10/2022 BPP Exceeded DO RWL of 5 mg/L fifty-two (52) times ranging from 2.69 to 4.98 mg/L from 6/10/2022 to 10/31/2022 at Site 19 where Endothall was applied. Violation B Report
1117887 06/10/2022 Surface Water Endothal Instantaneous Maximum limit is 100.0 ug/L and reported value was 110.0 ug/L at Receiving Water Site 2 (ORW-RHC2) The events reported were exceedances of the RWL (100 ppb) for Endothall (210 ppb on May 28; 110 ppb on June 2; 110 ppb on June 7; 140 ppb on June 8; and 110 on June 10). The exceedances appear to have been caused initially by high wind gusts causing the failure of a center seam of the originally installed turbidity curtains during the approach/passing of a weather front the night of May 27/morning of May 28 at CMT Project Test Site 2. On May 28 and May 29, a second set of turbidity curtains was installed on the lakeward side of the original curtains. A combination of subsequent wind events and residual transient Endothall from the initial curtains failure is believed to have caused and/or contributed to the second through fifth exceedance events. No dead or distressed organisms were observed by either the water quality monitoring team or TKPOA representatives that visited the Site 2 curtain failure. Violation B Report
1118402 06/10/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 390 ug/L at IRW4 - combined. Violation B Report
1118384 06/10/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 690 ug/L at IRW1 - combined. Violation B Report
1117892 06/08/2022 BPP Endothal Instantaneous Maximum limit is 100.0 ug/L and reported value was 7.5 ug/L at Contingency Monitoring Site 2 (CSTN123). Violation B Report
1117886 06/08/2022 Surface Water Endothal Instantaneous Maximum limit is 100.0 ug/L and reported value was 140.0 ug/L at Receiving Water Site 2 (ORW-RHC2). The events reported were exceedances of the RWL (100 ppb) for Endothall (210 ppb on May 28; 110 ppb on June 2; 110 ppb on June 7; 140 ppb on June 8; and 110 on June 10). The exceedances appear to have been caused initially by high wind gusts causing the failure of a center seam of the originally installed turbidity curtains during the approach/passing of a weather front the night of May 27/morning of May 28 at CMT Project Test Site 2. On May 28 and May 29, a second set of turbidity curtains was installed on the lakeward side of the original curtains. A combination of subsequent wind events and residual transient Endothall from the initial curtains failure is believed to have caused and/or contributed to the second through fifth exceedance events. No dead or distressed organisms were observed by either the water quality monitoring team or TKPOA representatives that visited the Site 2 curtain failure. Violation B Report
1117891 06/07/2022 BPP Endothal Instantaneous Maximum limit is 100.0 ug/L and reported value was 7.4 ug/L at Contingency Monitoring Site 2 (CSTN123). Violation B Report
1117880 06/07/2022 Surface Water Endothal Instantaneous Maximum limit is 100.0 ug/L and reported value was 110.0 ug/L at Receiving Water Site 2 (ORW-RHC2) The events reported were exceedances of the RWL (100 ppb) for Endothall (210 ppb on May 28; 110 ppb on June 2; 110 ppb on June 7; 140 ppb on June 8; and 110 on June 10). The exceedances appear to have been caused initially by high wind gusts causing the failure of a center seam of the originally installed turbidity curtains during the approach/passing of a weather front the night of May 27/morning of May 28 at CMT Project Test Site 2. On May 28 and May 29, a second set of turbidity curtains was installed on the lakeward side of the original curtains. A combination of subsequent wind events and residual transient Endothall from the initial curtains failure is believed to have caused and/or contributed to the second through fifth exceedance events. No dead or distressed organisms were observed by either the water quality monitoring team or TKPOA representatives that visited the Site 2 curtain failure. Violation B Report
1118407 06/07/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 260 ug/L at IRW5 - combined. Violation B Report
1118413 06/07/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 350 ug/L at IRW9 - Combined. Violation B Report
1118401 06/07/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 490 ug/L at IRW4 - combined. Violation B Report
1126088 06/05/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detections in receiving water IRW1 consisted of 28 detections of Triclopyr ranging from 1.0 ppb to 27 ppb, with the final detection occurring on 9/9/2022. Violation B Report
1118393 06/05/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 170 ug/L at IRW3 - combined. Violation B Report
1118386 06/05/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 440 ug/L at IRW2 - combined. Violation B Report
1118410 06/05/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 440 ug/L at IRW4-FD - Combined. Violation B Report
1118400 06/05/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 490 ug/L at IRW4 - combined. Violation B Report
1118382 06/05/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 870 ug/L at IRW1 - combined. Violation B Report
1124184 06/03/2022 BPP Triclopyr Instantaneous Maximum limit is 400.0 ug/L and reported value was 1.6 ug/L at Contingency Monitoring Site 3 (CSTN103). Violation B Report
1126098 06/03/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detections in receiving water IRW5 consisted of 15 detections of Triclopyr ranging from 1.0 ppb to 94 ppb, with the final detection occurring on 9/6/2022. Violation B Report
1126101 06/03/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detections in receiving water IRW6 consisted of 14 detections of Triclopyr ranging from 1.0 ppb to 160 ppb, with the final detection occurring on 9/6/2022. Violation B Report
1118381 06/03/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 1000 ug/L at IRW1 - combined. Violation B Report
1118406 06/03/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 120 ug/L at IRW5 - combined. Violation B Report
1118411 06/03/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 460 ug/L at IRW9 - Combined. Violation B Report
1118399 06/03/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 470 ug/L at IRW4 - combined. Violation B Report
1117912 06/02/2022 BPP Triclopyr Instantaneous Maximum limit is 400.0 ug/L and reported value was 1.6 ug/L at Contingency Lakeward:123 and 103 (CSTN104). Violation B Report
1124183 06/02/2022 BPP Triclopyr Instantaneous Maximum limit is 400.0 ug/L and reported value was 2.8 ug/L at Contingency Monitoring Site 3 (CSTN103). Violation B Report
1126102 06/02/2022 BPP Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detections in receiving water ORW-RHC2 consisted of 70 detections of Triclopyr ranging from 1.0 ppb to 8.8 ppb, with the final detection occurring on 9/4/2022. Violation B Report
1117888 06/02/2022 Surface Water Endothal Instantaneous Maximum limit is 100.0 ug/L and reported value was 115.0 ug/L at Receiving Water Site 2. Sample results of 110 and 120 ug/L were averaged and followed permit guidance in Section V.E.5 of Attachment E. The events reported were exceedances of the RWL (100 ppb) for Endothall (210 ppb on May 28; 110 ppb on June 2; 110 ppb on June 7; 140 ppb on June 8; and 110 on June 10). The exceedances appear to have been caused initially by high wind gusts causing the failure of a center seam of the originally installed turbidity curtains during the approach/passing of a weather front the night of May 27/morning of May 28 at CMT Project Test Site 2. On May 28 and May 29, a second set of turbidity curtains was installed on the lakeward side of the original curtains. A combination of subsequent wind events and residual transient Endothall from the initial curtains failure is believed to have caused and/or contributed to the second through fifth exceedance events. No dead or distressed organisms were observed by either the water quality monitoring team or TKPOA representatives that visited the Site 2 curtain failure. Violation B Report
1126111 06/01/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detection in receiving water IRW8 consisted of one detection of Endothall, 65 ppb, occurring on 6/1/2022. Violation B Report
1126094 06/01/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detections in receiving water IRW2 consisted of 15 detections of Triclopyr ranging from 1.2 ppb to 53 ppb, with the final detection occurring on 9/4/2022. Violation B Report
1126095 06/01/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detections in receiving water IRW3 consisted of 16 detections of Triclopyr ranging from 1.1 ppb to 320 ppb, with the final detection occurring on 9/11/2022. Violation B Report
1126096 06/01/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detections in receiving water IRW4 consisted of 44 detections of Triclopyr ranging from 1.0 ppb to 69 ppb, with the final detection occurring on 9/11/2022. Violation B Report
1126097 06/01/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detections in receiving water IRW4-FD consisted of 4 detections of Triclopyr ranging from 27 ppb to 42 ppb, with the final detection occurring on 6/21/2022. Violation B Report
1118001 06/01/2022 Surface Water Endothal Instantaneous Maximum limit is 100.0 ug/L and reported value was 1000.0 ug/L at IRW1 - combined. Violation B Report
1118390 06/01/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 110 ug/L at IRW3 - combined. Violation B Report
1118409 06/01/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 450 ug/L at IRW4-FD - Combined. Violation B Report
1118398 06/01/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 460 ug/L at IRW4 - combined. Violation B Report
1118385 06/01/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 510 ug/L at IRW2 - combined. Violation B Report
1117893 05/31/2022 BPP Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 6.4 ug/L at Contingency Monitoring Site 2 (CSTN123). Violation B Report
1123722 05/31/2022 DMON Failed to monitor hydrologic conditions in West Channel for the duration of the treatment event. The final measurement was taken during the final application of herbicide. Violation B Report
1117894 05/30/2022 BPP Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 10 ug/L at Contingency Monitoring Site 2 (CSTN123). Violation B Report
1124182 05/30/2022 BPP Triclopyr Instantaneous Maximum limit is 400.0 ug/L and reported value was 1.1 ug/L at Contingency Monitoring Site 3 (CSTN103). Violation B Report
1118378 05/30/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 110 ug/L at IRW1 - combined Violation B Report
1118397 05/30/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 270 ug/L at IRW4 - combined. Violation B Report
1117890 05/29/2022 BPP Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 29 ug/L at Contingency Monitoring Site 2 (CSTN123). Violation B Report
1126114 05/29/2022 BPP Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detection in receiving water ORW-RHC2 consisted of nine detections of Endothall, ranging from 6.8 ppb to 82 ppb, with the final detection occurring on 6/23/2022. Violation B Report
1126116 05/28/2022 BPP Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detection in receiving water ORW-RHC3 consisted of five detections of Endothall, ranging from 6.4 ppb to 20 ppb, with the final detection occurring on 6/2/2022. Violation B Report
1126105 05/28/2022 BPP Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detections in receiving water ORW-RHC3 consisted of 53 detections of Triclopyr ranging from 1.0 ppb to 68 ppb, with the final detection occurring on 8/3/2022. Violation B Report
1126099 05/28/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detections in receiving water IRW7 consisted of 13 detections of Triclopyr ranging from 1.2 ppb to 350 ppb, with the final detection occurring on 8/19/2022. Violation B Report
1126110 05/28/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detections in receiving water IRW7 consisted of two detections of Endothall ranging from 61 ppb to 68 ppb, with the final detection occurring on 6/1/2022. Violation B Report
1126100 05/28/2022 UAUTHDISC Unauthorized discharge per requirements of NPDES permit Section III.D. and Section III.E. The detections in receiving water IRW8 consisted of 12 detections of Triclopyr ranging from 1.2 ppb to 400 ppb, with the final detection occurring on 8/10/2022. Violation B Report
1106849 05/28/2022 UAUTHDISC unauthorized discharge at compliance monitoring site ORW-RHC-2. Nature of the discharge was Endothall pesticides active ingredient.The event appears to have been caused by high wind gusts occurring sometime during the approach/passing of a weather front the night of May 27/morning of May 28 that resulted in the center seams of the double turbidity curtains separating at the bottom at CMT Project Site 2. The exact time of curtains failure is unknown. No dead or distressed organisms were observed by either the water quality monitoring team or TKPOA representatives that visited the Site 2 curtain failure.The location of the failure was the set of double turbidity curtains at Site 2. Both curtains consisted of two lengths of curtain connected at a middle seam per manufacturers’ specifications. Each curtain seam was reportedly sealed by overlapping and rolling the two vertical curtain edges in the middle and clipping/zip tying per specifications. Visual observations at approximately 11am on May 28 showed some dye concentrations (see attached photo) between the two curtains, but partly cloudy skies made comparisons with the treated area difficult. Dye was not visually evident lake side of the double turbidity curtains. Initial affected area appeared limited to the immediate vicinity of the double turbidity curtains. Subsequent days monitoring indicated transient, degrading plume to the east of Site 2. TKPOA responded to the RWT dye detection at ORW-RHC-2 by directing on-call divers to install 2 spare, single length turbidity curtains at a narrower location of the channel a short distance east of the existing curtains. This established a new double (single-length, double curtain) barrier for the treated Site 2. The first of the two new, single length curtains was installed by the evening of May 28, and the second of the two curtains was installed by 11am the morning of May 29. Violation B Report
1117875 05/28/2022 Surface Water Endothal Instantaneous Maximum limit is 100.0 ug/L and reported value was 210.0 ug/L at Receiving Water Site 2 (ORW-RHC2) TKPOA has responded to the RWT dye detections and laboratory results of Endothall exceedances at ORW-RHC-2 by initially directing on-call divers on May 28 to install 2 additional, single length turbidity curtains at a narrower location of the channel a short distance east of the existing curtains. This established a new double (singlelength, double curtain) barrier for the treated Site 2. The first of the two new, single length curtains was installed by the evening of May 28, and the second of the two curtains was installed by 11 am the morning of May 29. Subsequently, TKPOA directed the divers on several occasions to dive and inspect the integrity of the newer curtains prior to and following major wind events. Violation B Report
1118448 05/28/2022 Surface Water Endothall Instantaneous Maximum limit is 100.0 ug/L and reported value was 130 ug/L at IRW8 - Combined. Violation B Report
1106854 04/01/2022 LREP LMCAP not received by April 1, 2022 as required per the NPDES Order No. CA6202201 in Section VII.B. The submittal for the LMCAP was on April 20, 2022 by Kristen Hunter at 2:21 Pm Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 88 Priority Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
*As of 5/20/2010, the Water Board's Enforcement Policy requires that all violations be classified as 1, 2 or 3, with class 1 being the highest. Prior to this, violations were simply classified as Yes or No. If a 123 classification has been assigned to a violation that occurred before this date, that classification data will be displayed instead of the Yes/No data.
Violation Types
BPP = Basin Plan Prohibition DMON = Deficient Monitoring
LREP = Late Report Surface Water = Surface Water
UAUTHDISC = Unauthorized Discharge
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
453069 Oral Communication 07/06/2022 Historical
452993 Notice to Comply 06/16/2022 Historical
452992 Oral Communication 06/02/2022 Historical
452990 Staff Enforcement Letter 04/04/2022 Historical
Total Enf Actions: 4
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
48390470 B Type compliance inspection Tiffany Barulich 06/01/2022 N 0 Download
48385768 B Type compliance inspection Tiffany Barulich 05/27/2022 N 0 Download
48385766 B Type compliance inspection Tiffany Barulich 05/25/2022 N 0 Download
48384471 Field Oversight Tiffany Barulich 05/18/2022 N 0 N/A
48390481 A Type compliance inspection Laurie Scribe 05/12/2022 N 0 N/A
Total Inspections: 5 Last Inspection: 06/01/2022
  
The current report was generated with data as of: 05/31/2024
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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