City of Katy (TX) Water Quality

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.

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 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
59 months ago
<2.0 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<2.0 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<2.0 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<2.0 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 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 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
59 months ago
<0.4 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.4 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.4 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<0.4 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 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 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
59 months ago
<0.5 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.5 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.5 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<0.5 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 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 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
59 months ago
0 µg/L
Meets Reporting Threshold
5318 Little John
Distribution system
7/23/2020
59 months ago
0 µg/L
Meets Reporting Threshold
905 Ave C
Distribution system
7/23/2020
59 months ago
0 µg/L
Meets Reporting Threshold
2808 Ave D
Distribution System
7/23/2020
59 months ago
0 µg/L
Meets Reporting Threshold

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).

802 Eva
Distribution system
7/23/2020
59 months ago
0 µg/L
5318 Little John
Distribution system
7/23/2020
59 months ago
0 µg/L
905 Ave C
Distribution system
7/23/2020
59 months ago
0 µg/L
2808 Ave D
Distribution System
7/23/2020
59 months ago
0 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).

802 Eva
Distribution system
7/23/2020
59 months ago
0 µg/L
5318 Little John
Distribution system
7/23/2020
59 months ago
0 µg/L
905 Ave C
Distribution system
7/23/2020
59 months ago
0 µg/L
2808 Ave D
Distribution System
7/23/2020
59 months ago
0 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 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
59 months ago
<0.01 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.01 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.01 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<0.01 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 months ago
<0.01 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.

Sample Tap @ 5450 Franz Rd.
Plant 2
7/23/2020
59 months ago
<0.03 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.03 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.03 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<0.03 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 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 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
59 months ago
<0.03 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.03 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.03 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<0.03 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 months ago
<0.03 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 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
59 months ago
<0.2 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.2 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.2 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<0.2 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 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 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
59 months ago
<0.03 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.03 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.03 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<0.03 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 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.

Sample Tap @ 5450 Franz Rd.
Plant 2
7/23/2020
59 months ago
<0.3 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.3 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.3 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
.3 µg/L
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 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 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
59 months ago
19.6 µg/L
Meets Reporting Threshold
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
19.1 µg/L
Meets Reporting Threshold
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
2.5 µg/L
Meets Reporting Threshold
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
18.3 µg/L
Meets Reporting Threshold
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 months ago
9.9 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.

Sample Tap @ 5450 Franz Rd.
Plant 2
7/23/2020
59 months ago
<0.007 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.007 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.007 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<0.007 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 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 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
59 months ago
<0.05 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.05 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.05 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<0.05 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 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 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
59 months ago
<0.3 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.3 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.3 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<0.3 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 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 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
59 months ago
<0.02 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.02 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.02 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<0.02 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 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 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
59 months ago
<0.2 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.2 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.2 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<0.2 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 months ago
<0.2 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 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
59 months ago
<0.04 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.04 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.04 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<0.04 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 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 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
59 months ago
<0.07 µg/L
Below Reporting Level
Sample Tap @ 25815 Kingsland Blvd.
Plant 3
7/23/2020
59 months ago
<0.07 µg/L
Below Reporting Level
Sample Tap @ 6850 Franz Rd.
Plant 4
7/23/2020
59 months ago
<0.07 µg/L
Below Reporting Level
Sample Tap @ 3300 Katy Hockley Rd.
Plant 5
7/23/2020
59 months ago
<0.07 µg/L
Below Reporting Level
SP @ 27515 Hwy. Blvd.
Plant 6
7/23/2020
59 months ago
<0.07 µg/L
Below Reporting Level

Sampling Facilities

Facility NameWater Type/Source
Distribution systemGround Water (GW)
Distribution systemGround Water (GW)
Distribution systemGround Water (GW)
Distribution SystemGround Water (GW)
Plant 2Ground Water (GW)
Plant 3Ground Water (GW)
Plant 4Ground Water (GW)
Plant 5Ground Water (GW)
Plant 6Ground Water (GW)

FAQ

Is City of Katy tap water safe to drink?

When was City of Katy last tested for water contamination?

The latest water samples were taken on July 23rd, 2020.