City of the Colony is a large public water system in EPA region 06 that provides tap water for the 75010, 75034 zip codes. It has 9 facilities where the water supply was tested for 23 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 the Colony showed levels of 1-butanol that were below unsafe concentration levels. Learn more about 1-butanol.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <2.0 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <2.0 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <2.0 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <2.0 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 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 the Colony showed levels of 2-methoxyethanol that were below unsafe concentration levels. Learn more about 2-methoxyethanol.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.4 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.4 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <0.4 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <0.4 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 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 the Colony showed levels of 2-propen-1-ol (Allyl Alcohol) that were below unsafe concentration levels. Learn more about 2-propen-1-ol (Allyl Alcohol).
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.5 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.5 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <0.5 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <0.5 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 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 the Colony showed levels of HAA5 (five regulated haloacetic acids) that were below unsafe concentration levels. The maximum reported value was 16.81 µg/L. Learn more about HAA5 (five regulated haloacetic acids).
| 2621 Walnut Creek Ln MR003
| 12/2/2019 69 months ago
| 13.908 µg/L Meets Reporting Threshold
|
|---|---|---|
| 5612 ROCK CANYON RD MR003
| 12/2/2019 69 months ago
| 16.81 µg/L Meets Reporting Threshold
|
| 5225 NORRIS MR004
| 12/2/2019 69 months ago
| 12.91 µg/L Meets Reporting Threshold
|
| 3813 Lakeside Drive MR001
| 12/2/2019 69 months ago
| 16.73 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).
| 2621 Walnut Creek Ln MR003
| 12/2/2019 69 months ago
| 18.155 µg/L |
|---|---|---|
| 5612 ROCK CANYON RD MR003
| 12/2/2019 69 months ago
| 10.571 µg/L |
| 5225 NORRIS MR004
| 12/2/2019 69 months ago
| 12.472 µg/L |
| 3813 Lakeside Drive MR001
| 12/2/2019 69 months ago
| 10.9 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).
| 2621 Walnut Creek Ln MR003
| 12/2/2019 69 months ago
| 26.965 µg/L |
|---|---|---|
| 5612 ROCK CANYON RD MR003
| 12/2/2019 69 months ago
| 24.071 µg/L |
| 5225 NORRIS MR004
| 12/2/2019 69 months ago
| 22.742 µg/L |
| 3813 Lakeside Drive MR001
| 12/2/2019 69 months ago
| 24.54 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 the Colony showed levels of alpha-hexachlorocyclohexane that were below unsafe concentration levels. Learn more about alpha-hexachlorocyclohexane.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.01 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.01 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <0.01 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <0.01 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 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.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 11/19/2018 81 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 11/19/2018 81 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.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.03 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <0.03 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <0.03 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 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 the Colony showed levels of chlorpyrifos that were below unsafe concentration levels. Learn more about chlorpyrifos.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.03 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <0.03 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <0.03 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 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 the Colony showed levels of cylindrospermopsin that were below unsafe concentration levels. Learn more about cylindrospermopsin.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 11/19/2018 81 months ago
| <0.09 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 11/19/2018 81 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 the Colony showed levels of dimethipin that were below unsafe concentration levels. Learn more about dimethipin.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.2 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.2 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <0.2 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <0.2 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 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 the Colony showed levels of ethoprop that were below unsafe concentration levels. Learn more about ethoprop.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.03 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <0.03 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <0.03 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 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.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.3 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.3 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| .3 µg/L |
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| .3 µg/L |
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 months ago
| .3 µg/L |
Manganese is a chemical contaminant that has a reference level of 300 µg/L. All the latest water samples for City of the Colony showed levels of Manganese that were below unsafe concentration levels. The maximum reported value was 10.1 µg/L. Learn more about Manganese.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| 6.5 µg/L Meets Reporting Threshold
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| 10.1 µg/L Meets Reporting Threshold
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| 2.4 µg/L Meets Reporting Threshold
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| 2.3 µg/L Meets Reporting Threshold
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 months ago
| 1.9 µg/L Meets Reporting Threshold
|
o-toluidine is a chemical contaminant that is a potential threat to human health. Learn more about o-toluidine.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.007 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.007 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <0.007 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <0.007 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 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 the Colony showed levels of oxyfluorfen that were below unsafe concentration levels. Learn more about oxyfluorfen.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.05 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.05 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <0.05 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <0.05 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 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 the Colony showed levels of profenofos that were below unsafe concentration levels. Learn more about profenofos.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.3 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.3 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <0.3 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <0.3 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 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 the Colony showed levels of quinoline that were below unsafe concentration levels. Learn more about quinoline.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.02 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.02 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <0.02 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <0.02 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 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 the Colony showed levels of tebuconazole that were below unsafe concentration levels. Learn more about tebuconazole.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.2 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.2 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <0.2 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <0.2 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 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 the Colony showed levels of Total Microcystin that were below unsafe concentration levels. Learn more about Total Microcystin.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 11/19/2018 81 months ago
| <0.3 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 11/19/2018 81 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 the Colony showed levels of Total Permethrin that were below unsafe concentration levels. Learn more about Total Permethrin.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.04 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.04 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <0.04 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <0.04 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 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 the Colony showed levels of tribufos that were below unsafe concentration levels. Learn more about tribufos.
| OCPS HB PUMP GALLEY Entry Point to Dist. System Dallas Water Intertie
| 12/2/2019 69 months ago
| <0.07 µg/L Below Reporting Level
|
|---|---|---|
| WINDHAVEN METER VAULT Entry Point to Dist. System Plano Water Intertie
| 12/2/2019 69 months ago
| <0.07 µg/L Below Reporting Level
|
| PS 3 HB AFTER TP Pump Station 3
| 9/30/2019 71 months ago
| <0.07 µg/L Below Reporting Level
|
| PS 2, HB AFTER TP Pump Station 2
| 9/30/2019 71 months ago
| <0.07 µg/L Below Reporting Level
|
| PS 1 HB AFTER TP Pump Station 1
| 9/26/2019 71 months ago
| <0.07 µg/L Below Reporting Level
|
| Facility Name | Water Type/Source |
|---|---|
| Dallas Water Intertie | Multiple sources (MX) |
| Plano Water Intertie | Surface Water (SW) |
| MR003 | Multiple sources (MX) |
| MR003 | Multiple sources (MX) |
| MR004 | Multiple sources (MX) |
| MR001 | Multiple sources (MX) |
| Pump Station 3 | Ground Water (GW) |
| Pump Station 2 | Ground Water (GW) |
| Pump Station 1 | Ground Water (GW) |
The latest water samples were taken between November 19th, 2018 and December 2nd, 2019.