Party At-A-Glance Report

  
  
  
  
  
General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
36746 Rancho Colina MH Estates STP Privately-Owned Business 1045 Atascadero Road Morro Bay, CA 93442 805-772-9458 smacelvaine@live.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
251631 Rancho Colina MH Estates STP San Luis Obispo 3 Wastewater Treatment Facility Owner 08/14/1970 None
Total Related Places: 1
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
624423 Steve MacElvaine Person Legally Responsible Official 05/17/2021 None None
Total Related Parties: 1
  
  
  
  
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?
449606 Enrollee - WDR 3 3 401019001 Active WDRMUNIOTH 2014-0153-DWQ 10/18/2022 None Discharger 10/18/2022 None N
144278 WDR 3 3 401019001 Historical WDRMUNIOTH 87-110 06/12/1987 10/17/2022 Discharger 06/12/1987 None N
142814 WDR 3 3 401019001 Historical WDRMUNIOTH 70-00801 08/14/1970 06/11/1987 Discharger 08/14/1970 None N
Total Regulatory Measures: 3
  
  
  
  
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.
1130713 06/11/2024 OEV Flow Maximum Daily (MDEL) limit is 35000 GPD and reported value was 35008 GPD. Violation None Report Rancho Colina MH Estates STP 449606 2014-0153-DWQ N
1130710 01/01/2024 CAT1 Nitrogen, Total (as N) Percent Reduction limit is 50.0 % and reported value was -6.0 %. Violation None Report Rancho Colina MH Estates STP 449606 2014-0153-DWQ N
1119113 04/30/2023 CAT1 Nitrogen, Total (as N) Percent Reduction limit is 50 % and reported value was 4 %. Violation None Report Rancho Colina MH Estates STP 449606 2014-0153-DWQ N
1119112 03/31/2023 CAT1 Nitrogen, Total (as N) Percent Reduction limit is 50 % and reported value was 4 %. Violation None Report Rancho Colina MH Estates STP 449606 2014-0153-DWQ N
1119111 02/28/2023 CAT1 Nitrogen, Total (as N) Percent Reduction limit is 50 % and reported value was 4 %. Violation None Report Rancho Colina MH Estates STP 449606 2014-0153-DWQ N
1119110 01/31/2023 CAT1 Nitrogen, Total (as N) Percent Reduction limit is 50 % and reported value was 4 %. Violation N Report Rancho Colina MH Estates STP 449606 2014-0153-DWQ N
1115621 10/25/2022 Groundwater Groundwater Nitrate Limitation (8 mg/L) was violated. Result: 10.0 mg/L Violation None Report Rancho Colina MH Estates STP 144278 87-110 N
1109432 07/28/2022 Groundwater Groundwater nitrate (as N) was 10 mg/L and the limit was 8 mg/L. However, Well 2 is downgradient of more than 50,000 avocado trees that require addition of nitrogen fertilizer. According to the Morro Basin Nitrate Study (City of Morro Bay, 2007), concentrations of nitrates increased in the basin almost five-fold between 1980 and 2007. The study estimates the nitrogen loading rate for mature avocado trees at 100 pounds per acre. Violation N Report Rancho Colina MH Estates STP 144278 87-110 N
1106403 04/19/2022 CAT1 Total Dissolved Solids (TDS) 1-Hour Average (Mean) limit is 940 mg/L and reported value was 1140 mg/L. Violation N Report Rancho Colina MH Estates STP 144278 87-110 N
1106401 04/19/2022 Order Conditions Effluent Chloride was 280 mg/L which is more than Order specified limit: 259 mg/L Violation None Report Rancho Colina MH Estates STP 144278 87-110 N
1106399 04/27/2022 Groundwater Groundwater Nitrate Limitation (8 mg/L) was violated. Result: 8.6 mg/L Violation None Report Rancho Colina MH Estates STP 144278 87-110 N
1100419 10/04/2021 CAT1 Total Dissolved Solids (TDS) Instantaneous Maximum limit is 1050 mg/L and reported value was 1070 mg/L. Violation None Report Rancho Colina MH Estates STP 144278 87-110 N
1100358 10/04/2021 Groundwater Groundwater Nitrate Limitation (8 mg/L) was violated. Result: 10.9 mg/L Violation N Report Rancho Colina MH Estates STP 144278 87-110 N
1095615 07/14/2021 Groundwater Groundwater Nitrate Limit (8 mg/L) exceeded: 9.4 mg/L Violation N Report Rancho Colina MH Estates STP 144278 87-110 N
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: 14
*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
311997 Staff Enforcement Letter None SEL for Rancho Colina Mobile Home Park WDRMUNIOTH 08/04/2006 Historical
306227 Notice of Violation None NOV for Rancho Colina Mobile Home Estates STP WDRMUNIOTH 06/27/2006 Historical
254021 13267 Letter UNKNOWN Enforcement - 3 401019001 WDRMUNIOTH 10/20/2004 Historical
Total Enforcement Actions: 3
  
  
  
  
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: 06/09/2025