HARRIS COUNTY WCID 1
TX · PWS ID TX1010159 · Community water system
109
contaminants tested
26
detected
8,559
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0074 ug/L | 3/8 | 2024 |
| PFHxA | 0.0086 ug/L | 3/8 | 2024 |
| PFPeA | 0.0095 ug/L | 2/8 | 2024 |
| PFBS | 0.0043 ug/L | 1/8 | 2024 |
| PFHxS | 0.0043 ug/L | 1/8 | 2024 |
| PFOS | 0.0055 ug/L | 1/8 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 800 UG/L | 93/103 | SYR4 | 2013–2019 |
| Bromodichloromethane | 18.3 UG/L | 65/65 | SYR4 | 2012–2019 |
| Dibromochloromethane | 17 UG/L | 65/65 | SYR4 | 2012–2019 |
| Chloroform | 39.2 UG/L | 63/65 | SYR4 | 2012–2019 |
| TTHM | 58 UG/L | 60/60 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 68.2 UG/L | 60/60 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 42.5 UG/L | 59/60 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 15 UG/L | 56/60 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 10.7 UG/L | 50/60 | SYR4 | 2012–2019 |
| Lead | 24.2 UG/L | 36/103 | SYR4 | 2013–2019 |
| Bromoform | 8.9 UG/L | 27/65 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0069 mg/L | 18/18 | LCR | 2024 |
| Nitrate | 840 UG/L | 16/32 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 9.9 UG/L | 6/60 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 840 UG/L | 4/7 | SYR4 | 2012–2015 |
| lithium | 11.2 ug/L | 3/8 | UCMR-5 | 2024 |
| Barium | 47.4 UG/L | 2/2 | SYR4 | 2016–2019 |
| Fluoride | 750 UG/L | 2/2 | SYR4 | 2014–2017 |
| Combined Radium (-226 and -228) | 1.5 PCI/L | 1/1 | SYR4 | 2016 |
| Nitrite | 50 UG/L | 1/7 | SYR4 | 2012–2015 |
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, TotalArsenicAsbestosAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumCombined UraniumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneGross Alpha, Excl. Radon and UGross Beta Particle ActivityHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAAOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFMBAPFMPAPFNAPFOAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene