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California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
521818 Lisa Scoralle 2501 Lake Tahoe Boulevard South Lake Tahoe, CA 96150 530-542-5452 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
Total Related Places: 0
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
137766 Lahontan Regional Water Quality Control Board, South Lake Tahoe Office Organization Employee 03/24/2010 11/03/2025 Waterboard
137765 Lahontan Regional Water Quality Control Board, Victorville Office Organization Employee 03/24/2010 11/03/2025 Waterboard
Total Related Parties: 2
  
  
  
  
Expand/Contract Regulatory Measures
Regulatory Measures (non-enforcement)
Reg. Measure ID Regulatory Measure Type Region WDID Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date Amended?
Total Regulatory Measures: 0
  
  
  
  
Expand/Contract Violations
Violations within the past five years
Violation ID Occurrence Date Violation Type Violation Description(-) Violation Status Priority Source Facility Name Violated Reg. Meas. ID Violated Reg. Meas. Order No. Linked to Enf.
1149103 10/07/2025 CAT1 Total Dissolved Solids (TDS) Monthly Average limit is 80 mg/L and reported value was 91 mg/L. Violation N Report Tahoe Donner Ski Area 147685 00-045 N
1148746 09/02/2025 CAT1 Total Dissolved Solids (TDS) Monthly Average limit is 80 mg/L and reported value was 100 mg/L. Violation N Report Tahoe Donner Ski Area 147685 00-045 N
1148276 09/15/2025 Deficient Monitoring Requirement I.A. Water Quality Monitoring of Ski Area. One qualifying storm event did not get sampled from, which occurred in late August. The reason for not sampling states, "the flow conditions developed outside of staff availability, and sampling could not be conducted safely or effectively." This reason is not sufficient and is a minor monitoring violation.  Violation N Report Northstar At Tahoe 145260 93-089 Y
1147785 09/02/2025 CAT1 Total Dissolved Solids (TDS) 10 Sample 90th Percentile limit is 80 mg/L and reported value was 100 mg/L. Violation N Report Tahoe Donner Ski Area 147685 00-045 N
1147783 07/21/2025 CAT1 Total Dissolved Solids (TDS) 10 Sample 90th Percentile limit is 80 mg/L and reported value was 89 mg/L. Violation N Report Tahoe Donner Ski Area 147685 00-045 N
1145211 06/16/2025 Deficient Monitoring Requirement I.E.1.&2. Missing locations and dates of application of snow conditioning chemicals used for lift operations. Violation N Report Northstar At Tahoe 145260 93-089 Y
1143020 01/26/2025 Late Report 4Q24 report due 1/15/25; not uploaded to GeoTracker til 4/29/25 (late report violation). Violation N Report Green Valley Foods 416725 None N
1143019 10/26/2024 Late Report 3Q24 report due 10/15/24, not uploaded to GeoTracker til 4/29/25 (late report violation). Violation N Report Green Valley Foods 416725 None N
1140750 11/25/2024 Late Report Report due 11/15/24; received in Geotracker 1/4/25. and via email 1/7/25. Violation N Report Green Valley Foods 383647 R6V-2012-0006 N
1138645 12/10/2024 Late Report Draft 2Q24 domestic well sampling report received 9/23/24; revised report requested orally in meeting 9/26/24 and in 12/10/24 email. Revised report not received as of 1/7/25. Reports required per Stipulated Agreement dated July 2017. Violation N Report Green Valley Foods 416725 None N
1137289 06/25/2024 Order Conditions Violation 3, Section I.C.14 Best Management Practices Discharge of petroleum hydrocarbons to soil and threatened discharge to adjacent stormwater retention basin at mid-mountain shop. Violation None Inspection Northstar At Tahoe 145260 93-089 Y
1137285 06/25/2024 Order Conditions Violations 1 and 2, for Section I.B.4.f. and Section I.E.1 (WDR Sections B. Receiving Water Limitations and E. General Requirements and Prohibitions) Discharge of ?cooking oil? to storm drain inlet and stormwater retention basin at Northstar Village. Violation None Inspection Northstar At Tahoe 145260 93-089 Y
1137154 12/10/2024 Late Report SEL email sent 12/10/24 re late report violation (Sept 2024 report was due 10/15/24; submitted to geotracker 10/28/24). SEL states the October 2024 report has not been received, was due 11/15 and is also now overdue. Violation N Report Green Valley Foods 383647 R6V-2012-0006 N
1136006 10/11/2024 Unauthorized Discharge Unauthorized apparent high-volume/high-pressure discharge (e.g., fire hose) near summit of Mt. Pluto (source/cause and date unknown) causing erosion, soil disturbance and sedimentation into Lake Tahoe Hydrologic Unit for considerable distance downslope. Northstar to obtain grading variance, investigate full extent, determine whether any surface waters have been impacted, mitigate rilling, erosion and sedimentation at source and downslope for full extent of impacts, mitigate preferential pathways and submit corrective action summary report. Violation None Inspection Northstar At Tahoe 145260 93-089 Y
1131123 06/18/2024 Deficient Reporting Violation in Snow Conditioning Chemicals Monitoring. I.E.1. Locations of application and I.E.2. Dates of applications were not provided. Violation N Report Northstar At Tahoe 145260 93-089 Y
1127261 06/20/2021 Surface Water Snowmaking hydrant A1 valve failure causing release of mobilized sediment and turbid water discharge to martis creek in the Truckee River hydrologic unit. Violation N Report Northstar At Tahoe 145260 93-089 N
1127169 09/15/2023 Deficient Monitoring Requirement I.A.3. Missing water samples from Stations N-2 and N-3 for April 2023. Requirement I.A.3. Missing water samples from Stations N-2 for May 2023. Requirement I.A.4.a) Volumetric flowrate measurements or estimate at each surface station each time it is sampled. Missing April, May, June, and August 2023. Violation N Report Northstar At Tahoe 145260 93-089 Y
1124934 01/26/2024 Late Report Late report violation. 4Q23 report due 1/15/24; report overdue on or after 1/26/24. Late report due to sample collection at end of 4th quarter (12/28/23). Violation N Report Green Valley Foods 416725 None Y
1124933 07/26/2023 Late Report Late report violation. 2Q23 report due 7/15/23; report overdue on or after 7/26/23. Late report due to sample collection at end of 2nd quarter (6/29/23). Violation N Report Green Valley Foods 416725 None N
1124932 01/26/2023 Late Report Late report violation. 4Q22 report due 1/15/23; report overdue on or after 1/26/23. Late report due to sample collection at end of 4th quarter (12/29/22). Violation N Report Green Valley Foods 416725 None N
1121921 07/07/2023 Deficient Monitoring MRP No. 6-00-45 II.B.3.d. Missing note of the presence or absence of algal growth for Site #1 Violation N Report Tahoe Donner Ski Area 147685 00-045 Y
Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 21
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
  
  
  
  
Expand/Contract Enforcement Actions
Enforcement Actions
Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status
Total Enforcement Actions: 0
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
Total Regulatory Measures linked to Related Parties: 0
  
  
The current report was generated with data as of: 11/11/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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