Is Harris County Mud 149 Tap Water Safe? Quality Report

Water source: Ground water
Ownership: Local government
Counties served: Harris

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

health-based violations

violations on file

still open

Violation	Type	Status	Period
MR	Monitoring	Resolved	2014-12-30
MR	Monitoring	Resolved	2014-12-30
MR	Monitoring	Resolved	1992-07-01 → 1993-06-30

PFAS detected

PFAS are industrial “forever chemicals”. These are the EPA's latest nationwide test results (2023–2025).

Contaminant	Max	Detection rate	Period
Pfhxa	0.0037 µg/L	1/2	2025
Pfpea	0.0040 µg/L	1/2	2025

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.

Contaminant	Level vs EPA limit	Detection rate	Source	Period
Copper	193 µg/L 15% of the EPA limit 1300 µg/L worst single sample: 306.9 µg/L	101/103	SYR4	2013–2019
Lead	13.6 µg/L 91% of the EPA limit 15 µg/L worst single sample: 460 µg/L	69/103	SYR4	2013–2019
Nitrate	550 µg/L 5.5% of the EPA limit 10000 µg/L	16/16	SYR4	2012–2019
Atrazine	0.2640 µg/L 8.8% of the EPA limit 3 µg/L worst single sample: 0.2900 µg/L	14/18	SYR4	2015–2019
Lead	0.0078 mg/L 52% of the EPA limit 0.0150 mg/L	14/14	LCR	2025
Chloroform	24.59 µg/L No EPA limit set worst single sample: 28 µg/L	12/12	SYR4	2013–2019
Bromodichloromethane	8.95 µg/L No EPA limit set worst single sample: 9 µg/L	11/12	SYR4	2013–2019
Dibromochloromethane	2.895 µg/L No EPA limit set worst single sample: 3 µg/L	8/12	SYR4	2013–2019
Simazine	0.1740 µg/L 4.4% of the EPA limit 4 µg/L worst single sample: 0.1800 µg/L	7/18	SYR4	2015–2019
TTHM	30.29 µg/L 38% of the EPA limit 80 µg/L worst single sample: 30.5 µg/L	7/7	SYR4	2013–2019
Dichloroacetic Acid	15.1 µg/L No EPA limit set	6/7	SYR4	2013–2019
Total Haloacetic Acids (HAA5)	22.425 µg/L 37% of the EPA limit 60 µg/L worst single sample: 23 µg/L	6/7	SYR4	2013–2019
Trichloroacetic Acid	5.4 µg/L No EPA limit set worst single sample: 5.6 µg/L	6/7	SYR4	2013–2019
Dibromoacetic Acid	3.91 µg/L No EPA limit set worst single sample: 4 µg/L	3/7	SYR4	2013–2019
Nitrate-Nitrite	310 µg/L 3.1% of the EPA limit 10000 µg/L	3/3	SYR4	2012–2015
Barium	89.23 µg/L 4.5% of the EPA limit 2000 µg/L worst single sample: 89.5 µg/L	2/2	SYR4	2014–2017
Fluoride	382 µg/L 9.6% of the EPA limit 4000 µg/L worst single sample: 390 µg/L	2/2	SYR4	2014–2017
Nitrite	48.5 µg/L 4.9% of the EPA limit 1000 µg/L worst single sample: 50 µg/L	2/3	SYR4	2012–2015
Lithium	31.8 µg/L No EPA limit set	2/2	UCMR-5	2025
Cyanide	150 µg/L 75% of the EPA limit 200 µg/L	1/2	SYR4	2014–2017
Combined Radium (-226 And -228)	2.2 pCi/L 44% of the EPA limit 5 pCi/L	1/1	SYR4	2014
Di(2-ethylhexyl) Phthalate	1.6 µg/L 27% of the EPA limit 6 µg/L	1/17	SYR4	2015–2019
Gross Alpha, Excl. Radon And U	2.2 pCi/L 15% of the EPA limit 15 pCi/L	1/1	SYR4	2014
Gross Beta Particle Activity	4.5 pCi/L No EPA limit set	1/1	SYR4	2014

83 contaminants tested, none detected

1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalArsenicAsbestosBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalBromoformChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumCombined UraniumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDinosebEthylene DibromideEndrinEthylbenzeneHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorMonobromoacetic AcidMonochloroacetic AcidNetfosaaNfdhaNmefosaaOxamylPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpesPftaPftrdaPfunaPentachlorophenolPicloramSeleniumStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact: CLINE, STEFANIE
Phone: 713-623-4531
Email: [email protected]

Frequently asked questions about Harris County Mud 149

Is Harris County Mud 149 tap water safe to drink?

EPA monitoring detected 26 contaminants in Harris County Mud 149's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Harris County Mud 149's water?

EPA monitoring detected Copper, Lead, Nitrate, Atrazine, Lead, and others. The full list with the level and data source for each is above.

How many people does Harris County Mud 149 serve?

Harris County Mud 149 reports serving 3,543 people in Texas, per its EPA record.

Has Harris County Mud 149 had any water quality violations?

The EPA has 3 violations on file for Harris County Mud 149, of which 0 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.