CITY OF SOUTH HOUSTON
TX · PWS ID TX1010294 · Community water system
109
contaminants tested
30
detected
17,397
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxA | 0.0048 ug/L | 3/4 | 2024 |
| PFPeA | 0.0056 ug/L | 3/4 | 2024 |
| PFBA | 0.0082 ug/L | 2/4 | 2024 |
| PFBS | 0.0032 ug/L | 2/4 | 2024 |
| PFOS | 0.0042 ug/L | 2/4 | 2024 |
| PFHxS | 0.0034 ug/L | 1/4 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 14 UG/L | 150/150 | SYR4 | 2012–2019 |
| Chloroform | 56 UG/L | 145/150 | SYR4 | 2012–2019 |
| TTHM | 64.5 UG/L | 125/125 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 66.9 UG/L | 125/125 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 47.7 UG/L | 117/125 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 20.5 UG/L | 113/125 | SYR4 | 2012–2019 |
| Dibromochloromethane | 18.3 UG/L | 109/150 | SYR4 | 2012–2019 |
| COPPER, FREE | 2090 UG/L | 93/100 | SYR4 | 2013–2019 |
| Nitrate | 820 UG/L | 80/80 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 8.4 UG/L | 56/125 | SYR4 | 2012–2019 |
| Lead | 9 UG/L | 54/100 | SYR4 | 2013–2019 |
| Atrazine | 0.4300 UG/L | 35/43 | SYR4 | 2012–2019 |
| Simazine | 0.2400 UG/L | 30/43 | SYR4 | 2012–2019 |
| Bromoform | 25.5 UG/L | 21/150 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 5.4 UG/L | 19/125 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0076 mg/L | 15/15 | LCR | 2025 |
| Nitrate-Nitrite | 600 UG/L | 15/15 | SYR4 | 2012–2015 |
| Barium | 58.5 UG/L | 10/10 | SYR4 | 2014–2017 |
| Fluoride | 600 UG/L | 10/10 | SYR4 | 2014–2017 |
| Nitrite | 30 UG/L | 6/15 | SYR4 | 2012–2015 |
| Gross Beta Particle Activity | 5.2 PCI/L | 4/5 | SYR4 | 2017 |
| Combined Radium (-226 and -228) | 1.5 PCI/L | 1/1 | SYR4 | 2017 |
| Hexachlorocyclopentadiene | 0.2300 UG/L | 1/43 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 1.2 UG/L | 1/125 | SYR4 | 2012–2019 |
79 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, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumCombined UraniumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFMBAPFMPAPFNAPFOAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene