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Lead and Copper Sample Summary Results
Water System No. : |
CA0710009 |
Federal Type : |
C |
Water System Name : |
TOWN OF DISCOVERY BAY |
State Type : |
C |
Principal County Served : |
CONTRA COSTA |
Primary Source : |
GW |
Status : |
A |
Activity Date : |
03-22-1979 |
Distribution System Classification : |
D3 |
Max Treatment Plant Classification : |
T2 |
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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 |
3Y2019-2021 |
01-01-2019 |
12-31-2021 |
90 |
31 |
0 |
MG/L |
PB90 - LEAD SUMMARY |
07-27-2021 |
08-05-2021 |
3Y2019-2021 |
01-01-2019 |
12-31-2021 |
90 |
31 |
0.467 |
MG/L |
CU90 - COPPER SUMMARY |
07-27-2021 |
08-05-2021 |
3Y2016-2018 |
01-01-2016 |
12-31-2018 |
90 |
40 |
0.0038 |
MG/L |
PB90 - LEAD SUMMARY |
09-06-2018 |
09-24-2018 |
3Y2016-2018 |
01-01-2016 |
12-31-2018 |
90 |
40 |
0.343000 |
MG/L |
CU90 - COPPER SUMMARY |
09-06-2018 |
09-24-2018 |
3Y2013-2015 |
01-01-2013 |
12-31-2015 |
90 |
45 |
0.0021 |
MG/L |
PB90 - LEAD SUMMARY |
09-05-2015 |
09-08-2015 |
3Y2013-2015 |
01-01-2013 |
12-31-2015 |
90 |
45 |
0.3 |
MG/L |
CU90 - COPPER SUMMARY |
09-05-2015 |
09-08-2015 |
3Y2010-2012 |
01-01-2010 |
12-31-2012 |
90 |
30 |
0.0025 |
MG/L |
PB90 - LEAD SUMMARY |
11-27-2012 |
12-04-2012 |
3Y2010-2012 |
01-01-2010 |
12-31-2012 |
90 |
30 |
0.15 |
MG/L |
CU90 - COPPER SUMMARY |
11-27-2012 |
12-04-2012 |
3Y2007-2009 |
01-01-2007 |
12-31-2009 |
90 |
20 |
0.0025 |
MG/L |
PB90 - LEAD SUMMARY |
10-26-2009 |
10-26-2009 |
3Y2007-2009 |
01-01-2007 |
12-31-2009 |
90 |
20 |
0.372 |
MG/L |
CU90 - COPPER SUMMARY |
10-26-2009 |
10-26-2009 |
YR2006 |
01-01-2006 |
12-31-2006 |
90 |
20 |
0.443 |
MG/L |
CU90 - COPPER SUMMARY |
10-01-2006 |
10-01-2006 |
YR2006 |
01-01-2006 |
12-31-2006 |
90 |
20 |
0.0048 |
MG/L |
PB90 - LEAD SUMMARY |
10-01-2006 |
10-01-2006 |
6M2ND-2005 |
07-01-2005 |
12-31-2005 |
90 |
18 |
0.88 |
MG/L |
CU90 - COPPER SUMMARY |
10-01-2005 |
10-01-2005 |
6M2ND-2005 |
07-01-2005 |
12-31-2005 |
90 |
18 |
0.0035 |
MG/L |
PB90 - LEAD SUMMARY |
10-01-2005 |
10-01-2005 |
6M1ST-2005 |
01-01-2005 |
06-30-2005 |
90 |
20 |
0.41 |
MG/L |
CU90 - COPPER SUMMARY |
01-01-2005 |
01-01-2005 |
6M1ST-2005 |
01-01-2005 |
06-30-2005 |
90 |
20 |
0.0052 |
MG/L |
PB90 - LEAD SUMMARY |
01-01-2005 |
01-01-2005 |
YR2005 |
01-01-2005 |
12-31-2005 |
90 |
40 |
0.465 |
MG/L |
CU90 - COPPER SUMMARY |
11-15-2005 |
11-15-2005 |
YR2005 |
01-01-2005 |
12-31-2005 |
90 |
40 |
0.00275 |
MG/L |
PB90 - LEAD SUMMARY |
11-15-2005 |
11-15-2005 |
YR2004 |
01-01-2004 |
12-31-2004 |
90 |
20 |
0 |
MG/L |
PB90 - LEAD SUMMARY |
02-01-2004 |
02-01-2004 |
YR2004 |
01-01-2004 |
12-31-2004 |
90 |
20 |
0.41 |
MG/L |
CU90 - COPPER SUMMARY |
02-01-2004 |
02-01-2004 |
6M2ND-2003 |
07-01-2003 |
12-31-2003 |
90 |
20 |
0.69 |
MG/L |
CU90 - COPPER SUMMARY |
08-22-2003 |
08-22-2003 |
6M2ND-2003 |
07-01-2003 |
12-31-2003 |
90 |
20 |
0 |
MG/L |
PB90 - LEAD SUMMARY |
08-22-2003 |
08-22-2003 |
6M1ST-2003 |
01-01-2003 |
06-30-2003 |
90 |
40 |
0 |
MG/L |
PB90 - LEAD SUMMARY |
05-01-2003 |
05-01-2003 |
6M1ST-2003 |
01-01-2003 |
06-30-2003 |
90 |
40 |
0.77 |
MG/L |
CU90 - COPPER SUMMARY |
05-01-2003 |
05-01-2003 |
6M1ST-1994 |
01-01-1994 |
06-30-1994 |
90 |
40 |
0.0184 |
MG/L |
PB90 - LEAD SUMMARY |
06-01-1994 |
06-01-1994 |
6M1ST-1994 |
01-01-1994 |
06-30-1994 |
90 |
40 |
0.465 |
MG/L |
CU90 - COPPER SUMMARY |
06-01-1994 |
06-01-1994 |
* MP is monitoring period which can be triennial (3Y), annual (YR), 1st
six months (6M1ST), or 2nd six months (6M2ND)
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