GILBERT, TOWN OF
AZ · PWS ID AZ0407092 · Community water system
105
contaminants tested
31
detected
247,600
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0181 ug/L | 7/42 | 2024 |
| PFBA | 0.0058 ug/L | 2/42 | 2024 |
| PFOS | 0.0098 ug/L | 2/42 | 2024 |
| PFPeA | 0.0062 ug/L | 2/42 | 2024 |
| PFHxA | 0.0044 ug/L | 1/42 | 2024 |
| PFOA | 0.0065 ug/L | 1/42 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 8000 UG/L | 480/494 | SYR4 | 2012–2019 |
| TTHM | 110 UG/L | 269/270 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 48 UG/L | 244/262 | SYR4 | 2012–2019 |
| Arsenic | 12 UG/L | 190/203 | SYR4 | 2012–2019 |
| COPPER, FREE | 336 UG/L | 150/151 | SYR4 | 2013–2019 |
| Lead | 10 UG/L | 114/151 | SYR4 | 2013–2019 |
| Bromate | 29 UG/L | 106/162 | SYR4 | 2012–2019 |
| Barium | 140 UG/L | 86/87 | SYR4 | 2012–2019 |
| Fluoride | 1000 UG/L | 85/87 | SYR4 | 2012–2019 |
| Chromium | 19 UG/L | 71/87 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 8000 UG/L | 70/76 | SYR4 | 2012–2019 |
| Combined Uranium | 7.6 UG/L | 46/50 | SYR4 | 2012–2019 |
| lithium | 258 ug/L | 42/42 | UCMR-5 | 2024 |
| Gross Alpha, Excl. Radon and U | 3.9 PCI/L | 25/50 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0110 mg/L | 11/11 | LCR | 2025 |
| Selenium | 3.1 UG/L | 5/87 | SYR4 | 2012–2019 |
| 2,4-D | 0.6500 UG/L | 3/100 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 1.8 PCI/L | 3/50 | SYR4 | 2012–2019 |
| Dalapon | 1.3 UG/L | 3/102 | SYR4 | 2012–2019 |
| ETHYLENE DIBROMIDE | 0.0220 UG/L | 2/96 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 0.7400 UG/L | 2/107 | SYR4 | 2012–2019 |
| 1,2-DIBROMO-3-CHLOROPROPANE | 0.0220 UG/L | 1/96 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) phthalate | 0.8300 UG/L | 1/105 | SYR4 | 2012–2019 |
| Diquat | 0.4100 UG/L | 1/97 | SYR4 | 2012–2019 |
| Xylenes, Total | 3.1 UG/L | 1/102 | SYR4 | 2012–2019 |
74 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAsbestosAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneDICHLOROMETHANEDi(2-ethylhexyl) adipateDinosebEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFHxSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chloridecis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
GILBERT