FLAGSTAFF CITY OF
AZ · PWS ID AZ0403008 · Community water system
104
contaminants tested
16
detected
79,796
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0061 ug/L | 1/24 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 100 UG/L | 252/269 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 96 UG/L | 225/269 | SYR4 | 2012–2019 |
| Nitrate | 1900 UG/L | 142/158 | SYR4 | 2012–2019 |
| Chlorite | 480 UG/L | 97/162 | SYR4 | 2012–2019 |
| COPPER, FREE | 380 UG/L | 62/62 | SYR4 | 2014–2017 |
| Lead | 14 UG/L | 47/62 | SYR4 | 2014–2017 |
| Nitrate-Nitrite | 1500 UG/L | 39/43 | SYR4 | 2012–2018 |
| Fluoride | 220 UG/L | 19/19 | SYR4 | 2012–2019 |
| Arsenic | 7.5 UG/L | 18/19 | SYR4 | 2012–2019 |
| Barium | 1100 UG/L | 18/19 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0037 mg/L | 14/14 | LCR | 2023 |
| Chromium | 2.6 UG/L | 10/19 | SYR4 | 2012–2019 |
| Combined Uranium | 2.8 UG/L | 9/11 | SYR4 | 2012–2017 |
| Gross Alpha, Excl. Radon and U | 3 PCI/L | 7/11 | SYR4 | 2012–2017 |
| Combined Radium (-226 and -228) | 1.1 PCI/L | 4/11 | SYR4 | 2012–2017 |
88 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAsbestosAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
FLAGSTAFF