SFPUC City Distribution Division (CA) Water Quality

SFPUC City Distribution Division is a large public water system in EPA region 09 that provides tap water for the 94103, 94107, 94110, 94115, 94124, 94131, 94132 zip codes. It has 18 facilities where the water supply was tested for 23 chemical contaminants that impact tap water quality and human health.

Contaminants

1-butanol

1-butanol is a class of Alcohol that has a minimum reporting level of 2 µg/L and a reference level of 700 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of 1-butanol that were below unsafe concentration levels. Learn more about 1-butanol.

SA2_Baden
SF Regional High Zone Water Intertie
10/22/2018
80 months ago
<2.0 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
10/22/2018
80 months ago
<2.0 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
12/11/2018
79 months ago
<2.0 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<2.0 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<2.0 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<2.0 µg/L
Below Reporting Level

2-methoxyethanol

2-methoxyethanol is a class of Alcohol that has a minimum reporting level of 0.4 µg/L and a reference level of 21 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of 2-methoxyethanol that were below unsafe concentration levels. Learn more about 2-methoxyethanol.

SA2_Baden
SF Regional High Zone Water Intertie
10/22/2018
80 months ago
<0.4 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
10/22/2018
80 months ago
<0.4 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
12/11/2018
79 months ago
<0.4 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<0.4 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.4 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.4 µg/L
Below Reporting Level

2-propen-1-ol (Allyl Alcohol)

2-propen-1-ol (Allyl Alcohol) is a class of Alcohol that has a minimum reporting level of 0.5 µg/L and a reference level of 35 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of 2-propen-1-ol (Allyl Alcohol) that were below unsafe concentration levels. Learn more about 2-propen-1-ol (Allyl Alcohol).

SA2_Baden
SF Regional High Zone Water Intertie
10/22/2018
80 months ago
<0.5 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
10/22/2018
80 months ago
<0.5 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
12/11/2018
79 months ago
<0.5 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<0.5 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.5 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.5 µg/L
Below Reporting Level

HAA5 (five regulated haloacetic acids)

HAA5 (five regulated haloacetic acids) are a class of Disinfection Byproducts that includes Dibromoacetic Acid, Dichloroacetic Acid, Monobromoacetic Acid, Monochloroacetic Acid, Trichloroacetic Acid and has a minimum reporting level of 0.5 µg/L and a reference level of 60 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of HAA5 (five regulated haloacetic acids) that were below unsafe concentration levels. The maximum reported value was 44.1 µg/L. Learn more about HAA5 (five regulated haloacetic acids).

44.1µg/L
HPS
Hunters Point Sys
12/3/2018
79 months ago
40 µg/L
⚠️ Exceeds 50% of Reference Level
UMS#01
University Mound Sys 1
12/3/2018
79 months ago
21.3 µg/L
Meets Reporting Threshold
UMS#02
University Mound Sys 2
12/3/2018
79 months ago
41 µg/L
⚠️ Exceeds 50% of Reference Level
UMS#03
University Mound Sys 3
12/3/2018
79 months ago
41 µg/L
⚠️ Exceeds 50% of Reference Level
UMS#09
University Mound Sys 9
12/3/2018
79 months ago
38 µg/L
⚠️ Exceeds 50% of Reference Level
SUTS#03
Sutro Sys 3
12/3/2018
79 months ago
28 µg/L
Meets Reporting Threshold
PHS1
Potrero Heights Sys
12/3/2018
79 months ago
44.1 µg/L
⚠️ Exceeds 50% of Reference Level
FOREST_K_HPS_1
Forest Knoll HPS
12/3/2018
79 months ago
34.32 µg/L
⚠️ Exceeds 50% of Reference Level
SHS#02
Stanford Heights Sys 1
12/3/2018
79 months ago
37 µg/L
⚠️ Exceeds 50% of Reference Level
LA_GRANDE_TK
La Grande Tank
12/3/2018
79 months ago
37.5 µg/L
⚠️ Exceeds 50% of Reference Level
SS#07
Sunset Sys 7
12/3/2018
79 months ago
28 µg/L
Meets Reporting Threshold
MT_DAVIDSON_TK
Mt Davidson Tank
12/3/2018
79 months ago
40.2 µg/L
⚠️ Exceeds 50% of Reference Level

HAA6Br (six brominated haloacetic acids)

HAA6Br (six brominated haloacetic acids) are a class of Disinfection Byproducts that includes Bromochloroacetic Acid, Bromodichloroacetic Acid, Dibromoacetic Acid, Dibromochloroacetic Acid, Monobromoacetic Acid, Tribromoacetic Acid and has a minimum reporting level of 0 µg/L and is a potential threat to human health. Learn more about HAA6Br (six brominated haloacetic acids).

HPS
Hunters Point Sys
12/3/2018
79 months ago
1.61 µg/L
UMS#01
University Mound Sys 1
12/3/2018
79 months ago
2.31 µg/L
UMS#02
University Mound Sys 2
12/3/2018
79 months ago
1.41 µg/L
UMS#03
University Mound Sys 3
12/3/2018
79 months ago
1.36 µg/L
UMS#09
University Mound Sys 9
12/3/2018
79 months ago
1.12 µg/L
SUTS#03
Sutro Sys 3
12/3/2018
79 months ago
2.06 µg/L
PHS1
Potrero Heights Sys
12/3/2018
79 months ago
1.72 µg/L
FOREST_K_HPS_1
Forest Knoll HPS
12/3/2018
79 months ago
3.91 µg/L
SHS#02
Stanford Heights Sys 1
12/3/2018
79 months ago
.39 µg/L
LA_GRANDE_TK
La Grande Tank
12/3/2018
79 months ago
2.14 µg/L
SS#07
Sunset Sys 7
12/3/2018
79 months ago
1.88 µg/L
MT_DAVIDSON_TK
Mt Davidson Tank
12/3/2018
79 months ago
.78 µg/L

HAA9 (nine haloacetic acids)

HAA9 (nine haloacetic acids) are a class of Disinfection Byproducts that includes Bromochloroacetic Acid, Bromodichloroacetic Acid, Chlorodibromoacetic Acid, Dibromoacetic Acid, Dichloroacetic Acid, Monobromoacetic Acid, Monochloroacetic Acid, Tribromoacetic Acid, Trichloroacetic Acid and has a minimum reporting level of 0 µg/L and is a potential threat to human health. Learn more about HAA9 (nine haloacetic acids).

HPS
Hunters Point Sys
12/3/2018
79 months ago
41.61 µg/L
UMS#01
University Mound Sys 1
12/3/2018
79 months ago
23.61 µg/L
UMS#02
University Mound Sys 2
12/3/2018
79 months ago
42.41 µg/L
UMS#03
University Mound Sys 3
12/3/2018
79 months ago
42.36 µg/L
UMS#09
University Mound Sys 9
12/3/2018
79 months ago
39.12 µg/L
SUTS#03
Sutro Sys 3
12/3/2018
79 months ago
30.06 µg/L
PHS1
Potrero Heights Sys
12/3/2018
79 months ago
45.82 µg/L
FOREST_K_HPS_1
Forest Knoll HPS
12/3/2018
79 months ago
37.81 µg/L
SHS#02
Stanford Heights Sys 1
12/3/2018
79 months ago
37.39 µg/L
LA_GRANDE_TK
La Grande Tank
12/3/2018
79 months ago
39.64 µg/L
SS#07
Sunset Sys 7
12/3/2018
79 months ago
29.88 µg/L
MT_DAVIDSON_TK
Mt Davidson Tank
12/3/2018
79 months ago
40.98 µg/L

alpha-hexachlorocyclohexane

alpha-hexachlorocyclohexane is a chemical contaminant that has a reference level of 0.006 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of alpha-hexachlorocyclohexane that were below unsafe concentration levels. Learn more about alpha-hexachlorocyclohexane.

SA2_Baden
SF Regional High Zone Water Intertie
10/22/2018
80 months ago
<0.01 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
10/22/2018
80 months ago
<0.01 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
1/23/2019
77 months ago
<0.01 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<0.01 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.01 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.01 µg/L
Below Reporting Level

anatoxin-a

anatoxin-a is a chemical contaminant that is a potential threat to human health. Learn more about anatoxin-a.

SA2_Baden
SF Regional High Zone Water Intertie
7/18/2018
83 months ago
<0.03 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
7/16/2018
83 months ago
<0.03 µg/L
Below Reporting Level

Butylated Hydroxyanisole

Butylated Hydroxyanisole is a chemical contaminant that is a potential threat to human health. Learn more about Butylated Hydroxyanisole.

SA2_Baden
SF Regional High Zone Water Intertie
11/26/2018
79 months ago
<0.03 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
11/26/2018
79 months ago
<0.03 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
1/15/2019
77 months ago
<0.03 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<0.03 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.03 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.03 µg/L
Below Reporting Level

chlorpyrifos

chlorpyrifos is a chemical contaminant that has a reference level of 2 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of chlorpyrifos that were below unsafe concentration levels. Learn more about chlorpyrifos.

SA2_Baden
SF Regional High Zone Water Intertie
10/22/2018
80 months ago
<0.03 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
10/22/2018
80 months ago
<0.03 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
1/23/2019
77 months ago
<0.03 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<0.03 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.03 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.03 µg/L
Below Reporting Level

cylindrospermopsin

cylindrospermopsin is a chemical contaminant that has a reference level of 0.7 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of cylindrospermopsin that were below unsafe concentration levels. Learn more about cylindrospermopsin.

SA2_Baden
SF Regional High Zone Water Intertie
7/18/2018
83 months ago
<0.09 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
7/16/2018
83 months ago
<0.09 µg/L
Below Reporting Level

dimethipin

dimethipin is a chemical contaminant that has a reference level of 140 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of dimethipin that were below unsafe concentration levels. Learn more about dimethipin.

SA2_Baden
SF Regional High Zone Water Intertie
10/22/2018
80 months ago
<0.2 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
10/22/2018
80 months ago
<0.2 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
1/23/2019
77 months ago
<0.2 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<0.2 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.2 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.2 µg/L
Below Reporting Level

ethoprop

ethoprop is a chemical contaminant that has a reference level of 1.14 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of ethoprop that were below unsafe concentration levels. Learn more about ethoprop.

SA2_Baden
SF Regional High Zone Water Intertie
10/22/2018
80 months ago
<0.03 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
10/22/2018
80 months ago
<0.03 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
1/23/2019
77 months ago
<0.03 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<0.03 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.03 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.03 µg/L
Below Reporting Level

Germanium

Germanium is a chemical contaminant that is a potential threat to human health. Learn more about Germanium.

SA2_Baden
SF Regional High Zone Water Intertie
10/22/2018
80 months ago
<0.3 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
10/22/2018
80 months ago
<0.3 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
12/11/2018
79 months ago
<0.3 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<0.3 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.3 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.3 µg/L
Below Reporting Level

Manganese

Manganese is a chemical contaminant that has a reference level of 300 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of Manganese that were below unsafe concentration levels. The maximum reported value was 5.9 µg/L. Learn more about Manganese.

SA2_Baden
SF Regional High Zone Water Intertie
10/22/2018
80 months ago
1 µg/L
Meets Reporting Threshold
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
10/22/2018
80 months ago
5.1 µg/L
Meets Reporting Threshold
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
12/11/2018
79 months ago
3.5 µg/L
Meets Reporting Threshold
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
5.9 µg/L
Meets Reporting Threshold
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
2.7 µg/L
Meets Reporting Threshold
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
2.8 µg/L
Meets Reporting Threshold

o-toluidine

o-toluidine is a chemical contaminant that is a potential threat to human health. Learn more about o-toluidine.

SA2_Baden
SF Regional High Zone Water Intertie
11/26/2018
79 months ago
<0.007 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
11/26/2018
79 months ago
<0.007 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
1/15/2019
77 months ago
<0.007 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<0.007 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.007 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.007 µg/L
Below Reporting Level

oxyfluorfen

oxyfluorfen is a chemical contaminant that has a reference level of 200 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of oxyfluorfen that were below unsafe concentration levels. Learn more about oxyfluorfen.

SA2_Baden
SF Regional High Zone Water Intertie
10/22/2018
80 months ago
<0.05 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
10/22/2018
80 months ago
<0.05 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
1/23/2019
77 months ago
<0.05 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<0.05 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.05 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.05 µg/L
Below Reporting Level

profenofos

profenofos is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of profenofos that were below unsafe concentration levels. Learn more about profenofos.

SA2_Baden
SF Regional High Zone Water Intertie
10/22/2018
80 months ago
<0.3 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
10/22/2018
80 months ago
<0.3 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
1/23/2019
77 months ago
<0.3 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<0.3 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.3 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.3 µg/L
Below Reporting Level

quinoline

quinoline is a chemical contaminant that has a reference level of 0.01 µg/L. All 2 of the latest water samples for SFPUC City Distribution Division showed levels of quinoline that were at or above unsafe concentration levels. The maximum reported value was 0.44 µg/L. Learn more about quinoline.

0.01µg/L
0.44µg/L
SA2_Baden
SF Regional High Zone Water Intertie
11/26/2018
79 months ago
<0.02 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
11/26/2018
79 months ago
<0.02 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
1/15/2019
77 months ago
.44 µg/L
☠️ Exceeds Reference Level by 0.43 µg/L
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
.022 µg/L
☠️ Exceeds Reference Level by 0.012 µg/L
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.02 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.02 µg/L
Below Reporting Level

tebuconazole

tebuconazole is a chemical contaminant that has a reference level of 190 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of tebuconazole that were below unsafe concentration levels. Learn more about tebuconazole.

SA2_Baden
SF Regional High Zone Water Intertie
10/22/2018
80 months ago
<0.2 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
10/22/2018
80 months ago
<0.2 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
1/23/2019
77 months ago
<0.2 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<0.2 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.2 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.2 µg/L
Below Reporting Level

Total Microcystin

Total Microcystin is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of Total Microcystin that were below unsafe concentration levels. Learn more about Total Microcystin.

SA2_Baden
SF Regional High Zone Water Intertie
7/16/2018
83 months ago
<0.3 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
7/16/2018
83 months ago
<0.3 µg/L
Below Reporting Level

Total Permethrin

Total Permethrin is a chemical contaminant that has a reference level of 3.344 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of Total Permethrin that were below unsafe concentration levels. Learn more about Total Permethrin.

SA2_Baden
SF Regional High Zone Water Intertie
10/22/2018
80 months ago
<0.04 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
10/22/2018
80 months ago
<0.04 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
1/23/2019
77 months ago
<0.04 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<0.04 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.04 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.04 µg/L
Below Reporting Level

tribufos

tribufos is a chemical contaminant that has a reference level of 0.6 µg/L. All the latest water samples for SFPUC City Distribution Division showed levels of tribufos that were below unsafe concentration levels. Learn more about tribufos.

SA2_Baden
SF Regional High Zone Water Intertie
10/22/2018
80 months ago
<0.07 µg/L
Below Reporting Level
SSL_Baden
SF Regional Low Zone Water Intertie (SSL)
10/22/2018
80 months ago
<0.07 µg/L
Below Reporting Level
SUTRO_LMPS
Lake Merced Pump Station discharge (Sutro)
1/23/2019
77 months ago
<0.07 µg/L
Below Reporting Level
SUNSET_LMPS
Lake Merced Pump Station discharge (Sunset)
12/11/2018
79 months ago
<0.07 µg/L
Below Reporting Level
SUNSET_NORTH
Sunset Reservoir (North) Compliance Point
12/11/2018
79 months ago
<0.07 µg/L
Below Reporting Level
SUNSET_SOUTH
Sunset Reservoir (South) Compliance Point
8/30/2018
82 months ago
<0.07 µg/L
Below Reporting Level

Sampling Facilities

Facility NameWater Type/Source
SF Regional High Zone Water IntertieSurface Water (SW)
SF Regional Low Zone Water Intertie (SSL)Surface Water (SW)
Lake Merced Pump Station discharge (Sutro)Multiple sources (MX)
Lake Merced Pump Station discharge (Sunset)Multiple sources (MX)
Sunset Reservoir (North) Compliance PointMultiple sources (MX)
Sunset Reservoir (South) Compliance PointMultiple sources (MX)
Hunters Point SysSurface Water (SW)
University Mound Sys 1Surface Water (SW)
University Mound Sys 2Surface Water (SW)
University Mound Sys 3Surface Water (SW)
University Mound Sys 9Surface Water (SW)
Sutro Sys 3Surface Water (SW)
Potrero Heights SysSurface Water (SW)
Forest Knoll HPSSurface Water (SW)
Stanford Heights Sys 1Surface Water (SW)
La Grande TankSurface Water (SW)
Sunset Sys 7Surface Water (SW)
Mt Davidson TankSurface Water (SW)

FAQ

Is SFPUC City Distribution Division tap water safe to drink?

When was SFPUC City Distribution Division last tested for water contamination?

The latest water samples were taken between July 16th, 2018 and January 23rd, 2019.