City of Katy is a large public water system in EPA region 06 that provides tap water for the 77493, 77494 zip codes. It has 9 facilities where the water supply was tested for 20 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 Katy showed levels of 1-butanol that were below unsafe concentration levels. Learn more about 1-butanol.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <2.0 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <2.0 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <2.0 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <2.0 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 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 Katy showed levels of 2-methoxyethanol that were below unsafe concentration levels. Learn more about 2-methoxyethanol.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.4 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.4 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.4 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <0.4 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 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 Katy showed levels of 2-propen-1-ol (Allyl Alcohol) that were below unsafe concentration levels. Learn more about 2-propen-1-ol (Allyl Alcohol).
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.5 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.5 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.5 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <0.5 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 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 Katy showed levels of HAA5 (five regulated haloacetic acids) that were below unsafe concentration levels. The maximum reported value was 0 µg/L. Learn more about HAA5 (five regulated haloacetic acids).
| 802 Eva Distribution system
| 7/23/2020 60 months ago
| 0 µg/L Meets Reporting Threshold
|
|---|---|---|
| 5318 Little John Distribution system
| 7/23/2020 60 months ago
| 0 µg/L Meets Reporting Threshold
|
| 905 Ave C Distribution system
| 7/23/2020 60 months ago
| 0 µg/L Meets Reporting Threshold
|
| 2808 Ave D Distribution System
| 7/23/2020 60 months ago
| 0 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).
| 802 Eva Distribution system
| 7/23/2020 60 months ago
| 0 µg/L |
|---|---|---|
| 5318 Little John Distribution system
| 7/23/2020 60 months ago
| 0 µg/L |
| 905 Ave C Distribution system
| 7/23/2020 60 months ago
| 0 µg/L |
| 2808 Ave D Distribution System
| 7/23/2020 60 months ago
| 0 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).
| 802 Eva Distribution system
| 7/23/2020 60 months ago
| 0 µg/L |
|---|---|---|
| 5318 Little John Distribution system
| 7/23/2020 60 months ago
| 0 µg/L |
| 905 Ave C Distribution system
| 7/23/2020 60 months ago
| 0 µg/L |
| 2808 Ave D Distribution System
| 7/23/2020 60 months ago
| 0 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 Katy showed levels of alpha-hexachlorocyclohexane that were below unsafe concentration levels. Learn more about alpha-hexachlorocyclohexane.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.01 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.01 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.01 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <0.01 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 months ago
| <0.01 µg/L Below Reporting Level
|
Butylated Hydroxyanisole is a chemical contaminant that is a potential threat to human health. Learn more about Butylated Hydroxyanisole.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.03 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.03 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <0.03 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 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 Katy showed levels of chlorpyrifos that were below unsafe concentration levels. Learn more about chlorpyrifos.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.03 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.03 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <0.03 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 months ago
| <0.03 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 Katy showed levels of dimethipin that were below unsafe concentration levels. Learn more about dimethipin.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.2 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.2 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.2 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <0.2 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 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 Katy showed levels of ethoprop that were below unsafe concentration levels. Learn more about ethoprop.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.03 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.03 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.03 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <0.03 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 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.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.3 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.3 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.3 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| .3 µg/L |
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 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 Katy showed levels of Manganese that were below unsafe concentration levels. The maximum reported value was 19.6 µg/L. Learn more about Manganese.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| 19.6 µg/L Meets Reporting Threshold
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| 19.1 µg/L Meets Reporting Threshold
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| 2.5 µg/L Meets Reporting Threshold
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| 18.3 µg/L Meets Reporting Threshold
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 months ago
| 9.9 µg/L Meets Reporting Threshold
|
o-toluidine is a chemical contaminant that is a potential threat to human health. Learn more about o-toluidine.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.007 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.007 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.007 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <0.007 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 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 Katy showed levels of oxyfluorfen that were below unsafe concentration levels. Learn more about oxyfluorfen.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.05 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.05 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.05 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <0.05 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 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 Katy showed levels of profenofos that were below unsafe concentration levels. Learn more about profenofos.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.3 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.3 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.3 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <0.3 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 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 Katy showed levels of quinoline that were below unsafe concentration levels. Learn more about quinoline.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.02 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.02 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.02 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <0.02 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 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 Katy showed levels of tebuconazole that were below unsafe concentration levels. Learn more about tebuconazole.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.2 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.2 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.2 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <0.2 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 months ago
| <0.2 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 Katy showed levels of Total Permethrin that were below unsafe concentration levels. Learn more about Total Permethrin.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.04 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.04 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.04 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <0.04 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 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 Katy showed levels of tribufos that were below unsafe concentration levels. Learn more about tribufos.
| Sample Tap @ 5450 Franz Rd. Plant 2
| 7/23/2020 60 months ago
| <0.07 µg/L Below Reporting Level
|
|---|---|---|
| Sample Tap @ 25815 Kingsland Blvd. Plant 3
| 7/23/2020 60 months ago
| <0.07 µg/L Below Reporting Level
|
| Sample Tap @ 6850 Franz Rd. Plant 4
| 7/23/2020 60 months ago
| <0.07 µg/L Below Reporting Level
|
| Sample Tap @ 3300 Katy Hockley Rd. Plant 5
| 7/23/2020 60 months ago
| <0.07 µg/L Below Reporting Level
|
| SP @ 27515 Hwy. Blvd. Plant 6
| 7/23/2020 60 months ago
| <0.07 µg/L Below Reporting Level
|
| Facility Name | Water Type/Source |
|---|---|
| Distribution system | Ground Water (GW) |
| Distribution system | Ground Water (GW) |
| Distribution system | Ground Water (GW) |
| Distribution System | Ground Water (GW) |
| Plant 2 | Ground Water (GW) |
| Plant 3 | Ground Water (GW) |
| Plant 4 | Ground Water (GW) |
| Plant 5 | Ground Water (GW) |
| Plant 6 | Ground Water (GW) |
The latest water samples were taken on July 23rd, 2020.