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        | Water System No. : | CA4110021 | Federal Type : | C |  
        | Water System Name : | ESTERO MUNICIPAL IMPROVEMENT DISTRICT | State Type : | C |  
        | Principal County Served : | SAN MATEO | Primary Source : | SWP |  
        | Status : | A | Activity Date : | 01-01-1976 |  
        | Distribution System Classification : | D3 | Max Treatment Plant Classification : | There are no treatment plants |  |  
 
  
 
 
 
 
 
Click to hide / show columns: 
MP | MP Begin | 
MP End | Type | 
# Samples | Measure | 
Units | Analyte Code/Name | 
Begin Sampling| End Sampling
 
      
     
        | MP * | MP Begin | MP End | Type | # Samples | Measure | Units | Analyte Code/Name | Begin Sampling | End Sampling | MP * | MP Begin | MP End | Type | # Samples | Measure | Units | Analyte Code/Name | Begin Sampling | End Sampling | 
		| 3Y2023-2025 | 01-01-2023 | 12-31-2025 | 90 | 39 | 0 | MG/L | PB90 - LEAD SUMMARY | 09-09-2025 | 09-11-2025 |  
		| 3Y2023-2025 | 01-01-2023 | 12-31-2025 | 90 | 39 | 0 | MG/L | CU90 - COPPER SUMMARY | 09-09-2025 | 09-11-2025 |  
		| 3Y2020-2022 | 01-01-2020 | 12-31-2022 | 90 | 30 | 0.0054 | MG/L | PB90 - LEAD SUMMARY | 08-29-2022 | 09-01-2022 |  
		| 3Y2020-2022 | 01-01-2020 | 12-31-2022 | 90 | 30 | 0.061 | MG/L | CU90 - COPPER SUMMARY | 08-29-2022 | 09-01-2022 |  
		| 3Y2017-2019 | 01-01-2017 | 12-31-2019 | 90 | 42 | 0.0086 | MG/L | PB90 - LEAD SUMMARY | 09-25-2019 | 09-27-2019 |  
		| 3Y2017-2019 | 01-01-2017 | 12-31-2019 | 90 | 42 | 0.0469 | MG/L | CU90 - COPPER SUMMARY | 09-25-2019 | 09-27-2019 |  
		| 3Y2014-2016 | 01-01-2014 | 12-31-2016 | 90 | 31 | 0.0576 | MG/L | CU90 - COPPER SUMMARY | 07-18-2016 | 07-19-2016 |  
		| 3Y2014-2016 | 01-01-2014 | 12-31-2016 | 90 | 31 | 0.006 | MG/L | PB90 - LEAD SUMMARY | 07-18-2016 | 07-19-2016 |  
		| 3Y2011-2013 | 01-01-2011 | 12-31-2013 | 90 | 30 | 0.00703 | MG/L | PB90 - LEAD SUMMARY | 09-17-2013 | 09-17-2013 |  
		| 3Y2011-2013 | 01-01-2011 | 12-31-2013 | 90 | 30 | 0.04305 | MG/L | CU90 - COPPER SUMMARY | 09-17-2013 | 09-17-2013 |  
		| 3Y2008-2010 | 01-01-2008 | 12-31-2010 | 90 | 31 | 0.0081 | MG/L | PB90 - LEAD SUMMARY | 09-22-2010 | 09-23-2010 |  
		| 3Y2008-2010 | 01-01-2008 | 12-31-2010 | 90 | 31 | 0.0726 | MG/L | CU90 - COPPER SUMMARY | 09-22-2010 | 09-23-2010 |  
		| 3Y2005-2007 | 01-01-2005 | 12-31-2007 | 90 | 31 | 0.0441 | MG/L | CU90 - COPPER SUMMARY | 08-21-2007 | 08-21-2007 |  
		| 3Y2005-2007 | 01-01-2005 | 12-31-2007 | 90 | 31 | 0.0056 | MG/L | PB90 - LEAD SUMMARY | 08-21-2007 | 08-21-2007 |  
		| 3Y2002-2004 | 01-01-2002 | 12-31-2004 | 90 | 30 | 0.1055 | MG/L | CU90 - COPPER SUMMARY | 09-14-2004 | 09-14-2004 |  
		| 3Y2002-2004 | 01-01-2002 | 12-31-2004 | 90 | 30 | 0.0076 | MG/L | PB90 - LEAD SUMMARY | 09-14-2004 | 09-14-2004 |  
		| YR2001 | 01-01-2001 | 12-31-2001 | 90 | 32 | 0.22 | MG/L | CU90 - COPPER SUMMARY | 09-17-2001 | 09-17-2001 |  
		| YR2001 | 01-01-2001 | 12-31-2001 | 90 | 32 | 0.007 | MG/L | PB90 - LEAD SUMMARY | 09-17-2001 | 09-17-2001 |  
		| YR2000 | 01-01-2000 | 12-31-2000 | 90 | 30 | 0.006 | MG/L | PB90 - LEAD SUMMARY | 10-12-2000 | 10-12-2000 |  
		| YR2000 | 01-01-2000 | 12-31-2000 | 90 | 30 | 0.12 | MG/L | CU90 - COPPER SUMMARY | 10-12-2000 | 10-12-2000 |  
		| 6M1ST-1999 | 01-01-1999 | 06-30-1999 | 90 | 57 | 0.104 | MG/L | CU90 - COPPER SUMMARY | 05-07-1999 | 05-07-1999 |  
		| 6M1ST-1999 | 01-01-1999 | 06-30-1999 | 90 | 57 | 0.005 | MG/L | PB90 - LEAD SUMMARY | 05-07-1999 | 05-07-1999 |  
		| 6M2ND-1998 | 07-01-1998 | 12-31-1998 | 90 | 65 | 0.007 | MG/L | PB90 - LEAD SUMMARY | 12-08-1998 | 12-08-1998 |  
		| 6M2ND-1998 | 07-01-1998 | 12-31-1998 | 90 | 65 | 0.17 | MG/L | CU90 - COPPER SUMMARY | 12-08-1998 | 12-08-1998 |  
		| 6M1ST-1993 | 01-01-1993 | 06-30-1993 | 90 | 60 | 0.3 | MG/L | CU90 - COPPER SUMMARY | 01-08-1993 | 01-08-1993 |  
		| 6M1ST-1993 | 01-01-1993 | 06-30-1993 | 90 | 60 | 0.041 | MG/L | PB90 - LEAD SUMMARY | 01-08-1993 | 01-08-1993 |  
    * MP is monitoring period which can be triennial (3Y), annual (YR), 1st 
		six months (6M1ST), or 2nd six months (6M2ND)
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