City of Lafayette is a large public water system in EPA region 08 that provides tap water for the 80026 zip codes. It has 4 facilities where the water supply was tested for 30 chemical contaminants that impact tap water quality and human health.
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 City of Lafayette showed levels of 1-butanol that were below unsafe concentration levels. Learn more about 1-butanol.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <2.0 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <2.0 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <2.0 µg/L Below Reporting Level
|
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 City of Lafayette showed levels of 2-methoxyethanol that were below unsafe concentration levels. Learn more about 2-methoxyethanol.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.4 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.4 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.4 µg/L Below Reporting Level
|
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 City of Lafayette showed levels of 2-propen-1-ol (Allyl Alcohol) that were below unsafe concentration levels. Learn more about 2-propen-1-ol (Allyl Alcohol).
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.5 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.5 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.5 µg/L Below Reporting Level
|
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 City of Lafayette showed levels of HAA5 (five regulated haloacetic acids) that were below unsafe concentration levels. The maximum reported value was 23.949 µg/L. Learn more about HAA5 (five regulated haloacetic acids).
| 30 - Sanchez Elem. School Distribution System
| 12/5/2018 79 months ago
| 22.804 µg/L Meets Reporting Threshold
|
|---|---|---|
| 39 - Simpson Mine Park Distribution System
| 12/5/2018 79 months ago
| 23.551 µg/L Meets Reporting Threshold
|
| 33 - Vista Business Park Distribution System
| 12/5/2018 79 months ago
| 19.48 µg/L Meets Reporting Threshold
|
| 47 - Whitetail Park Distribution System
| 12/5/2018 79 months ago
| 23.949 µg/L Meets Reporting Threshold
|
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).
| 30 - Sanchez Elem. School Distribution System
| 12/5/2018 79 months ago
| 8.502 µg/L |
|---|---|---|
| 39 - Simpson Mine Park Distribution System
| 12/5/2018 79 months ago
| 9.202 µg/L |
| 33 - Vista Business Park Distribution System
| 12/5/2018 79 months ago
| 6.686 µg/L |
| 47 - Whitetail Park Distribution System
| 12/5/2018 79 months ago
| 8.919 µg/L |
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).
| 30 - Sanchez Elem. School Distribution System
| 12/5/2018 79 months ago
| 30.452 µg/L |
|---|---|---|
| 39 - Simpson Mine Park Distribution System
| 12/5/2018 79 months ago
| 31.772 µg/L |
| 33 - Vista Business Park Distribution System
| 12/5/2018 79 months ago
| 26.166 µg/L |
| 47 - Whitetail Park Distribution System
| 12/5/2018 79 months ago
| 31.899 µg/L |
alpha-hexachlorocyclohexane is a chemical contaminant that has a reference level of 0.006 µg/L. All the latest water samples for City of Lafayette showed levels of alpha-hexachlorocyclohexane that were below unsafe concentration levels. Learn more about alpha-hexachlorocyclohexane.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.01 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.01 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.01 µg/L Below Reporting Level
|
anatoxin-a is a chemical contaminant that is a potential threat to human health. Learn more about anatoxin-a.
| Entry Point Baseline South WTP Clearwell
| 8/21/2018 82 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 8/21/2018 82 months ago
| <0.03 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 8/21/2018 82 months ago
| <0.03 µg/L Below Reporting Level
|
Butylated Hydroxyanisole is a chemical contaminant that is a potential threat to human health. Learn more about Butylated Hydroxyanisole.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.03 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.03 µg/L Below Reporting Level
|
chlorpyrifos is a chemical contaminant that has a reference level of 2 µg/L. All the latest water samples for City of Lafayette showed levels of chlorpyrifos that were below unsafe concentration levels. Learn more about chlorpyrifos.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.03 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.03 µg/L Below Reporting Level
|
cylindrospermopsin is a chemical contaminant that has a reference level of 0.7 µg/L. All the latest water samples for City of Lafayette showed levels of cylindrospermopsin that were below unsafe concentration levels. Learn more about cylindrospermopsin.
| Entry Point Baseline South WTP Clearwell
| 8/21/2018 82 months ago
| <0.09 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 8/21/2018 82 months ago
| <0.09 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 8/21/2018 82 months ago
| <0.09 µg/L Below Reporting Level
|
dimethipin is a chemical contaminant that has a reference level of 140 µg/L. All the latest water samples for City of Lafayette showed levels of dimethipin that were below unsafe concentration levels. Learn more about dimethipin.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.2 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.2 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.2 µg/L Below Reporting Level
|
ethoprop is a chemical contaminant that has a reference level of 1.14 µg/L. All the latest water samples for City of Lafayette showed levels of ethoprop that were below unsafe concentration levels. Learn more about ethoprop.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.03 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.03 µg/L Below Reporting Level
|
Germanium is a chemical contaminant that is a potential threat to human health. Learn more about Germanium.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.3 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.3 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.3 µg/L Below Reporting Level
|
Manganese is a chemical contaminant that has a reference level of 300 µg/L. All the latest water samples for City of Lafayette showed levels of Manganese that were below unsafe concentration levels. The maximum reported value was 1.59 µg/L. Learn more about Manganese.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| 1.59 µg/L Meets Reporting Threshold
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.4 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.4 µg/L Below Reporting Level
|
microcystin-LA is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for City of Lafayette showed levels of microcystin-LA that were below unsafe concentration levels. Learn more about microcystin-LA.
| Entry Point Baseline South WTP Clearwell
| 8/7/2018 83 months ago
| <0.008 µg/L Below Reporting Level
|
|---|
microcystin-LF is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for City of Lafayette showed levels of microcystin-LF that were below unsafe concentration levels. Learn more about microcystin-LF.
| Entry Point Baseline South WTP Clearwell
| 8/7/2018 83 months ago
| <0.006 µg/L Below Reporting Level
|
|---|
microcystin-LR is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for City of Lafayette showed levels of microcystin-LR that were below unsafe concentration levels. Learn more about microcystin-LR.
| Entry Point Baseline South WTP Clearwell
| 8/7/2018 83 months ago
| <0.02 µg/L Below Reporting Level
|
|---|
microcystin-LY is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for City of Lafayette showed levels of microcystin-LY that were below unsafe concentration levels. Learn more about microcystin-LY.
| Entry Point Baseline South WTP Clearwell
| 8/7/2018 83 months ago
| <0.009 µg/L Below Reporting Level
|
|---|
microcystin-RR is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for City of Lafayette showed levels of microcystin-RR that were below unsafe concentration levels. Learn more about microcystin-RR.
| Entry Point Baseline South WTP Clearwell
| 8/7/2018 83 months ago
| <0.006 µg/L Below Reporting Level
|
|---|
microcystin-YR is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for City of Lafayette showed levels of microcystin-YR that were below unsafe concentration levels. Learn more about microcystin-YR.
| Entry Point Baseline South WTP Clearwell
| 8/7/2018 83 months ago
| <0.02 µg/L Below Reporting Level
|
|---|
nodularin is a chemical contaminant that is a potential threat to human health. Learn more about nodularin.
| Entry Point Baseline South WTP Clearwell
| 8/7/2018 83 months ago
| <0.005 µg/L Below Reporting Level
|
|---|
o-toluidine is a chemical contaminant that is a potential threat to human health. Learn more about o-toluidine.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.007 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.007 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.007 µg/L Below Reporting Level
|
oxyfluorfen is a chemical contaminant that has a reference level of 200 µg/L. All the latest water samples for City of Lafayette showed levels of oxyfluorfen that were below unsafe concentration levels. Learn more about oxyfluorfen.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.05 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.05 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.05 µg/L Below Reporting Level
|
profenofos is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for City of Lafayette showed levels of profenofos that were below unsafe concentration levels. Learn more about profenofos.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.3 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.3 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.3 µg/L Below Reporting Level
|
quinoline is a chemical contaminant that has a reference level of 0.01 µg/L. All the latest water samples for City of Lafayette showed levels of quinoline that were below unsafe concentration levels. Learn more about quinoline.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.02 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.02 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.02 µg/L Below Reporting Level
|
tebuconazole is a chemical contaminant that has a reference level of 190 µg/L. All the latest water samples for City of Lafayette showed levels of tebuconazole that were below unsafe concentration levels. Learn more about tebuconazole.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.2 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.2 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.2 µg/L Below Reporting Level
|
Total Microcystin is a chemical contaminant that has a reference level of 0.3 µg/L. All the latest water samples for City of Lafayette showed levels of Total Microcystin that were below unsafe concentration levels. Learn more about Total Microcystin.
| Entry Point Baseline South WTP Clearwell
| 8/21/2018 82 months ago
| <0.3 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 8/21/2018 82 months ago
| <0.3 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 8/21/2018 82 months ago
| <0.3 µg/L Below Reporting Level
|
Total Permethrin is a chemical contaminant that has a reference level of 3.344 µg/L. All the latest water samples for City of Lafayette showed levels of Total Permethrin that were below unsafe concentration levels. Learn more about Total Permethrin.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.04 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.04 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.04 µg/L Below Reporting Level
|
tribufos is a chemical contaminant that has a reference level of 0.6 µg/L. All the latest water samples for City of Lafayette showed levels of tribufos that were below unsafe concentration levels. Learn more about tribufos.
| Entry Point Baseline South WTP Clearwell
| 12/5/2018 79 months ago
| <0.07 µg/L Below Reporting Level
|
|---|---|---|
| Entry Point Orange Zone Tank
| 12/5/2018 79 months ago
| <0.07 µg/L Below Reporting Level
|
| Entry Point Splitter Box Sample Station
| 12/5/2018 79 months ago
| <0.07 µg/L Below Reporting Level
|
| Facility Name | Water Type/Source |
|---|---|
| Baseline South WTP Clearwell | Surface Water (SW) |
| Orange Zone Tank | Surface Water (SW) |
| Splitter Box Sample Station | Surface Water (SW) |
| Distribution System | Surface Water (SW) |
The latest water samples were taken between August 7th, 2018 and December 5th, 2018.