What was found in ZIP 35634
The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 1388.5 µg/L 14% of the EPA limit 10000 µg/L Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2019
Highest in the ZIP: 2734 µg/L — GREENHILL WATER & FIRE PRO AUTHORITY · 8,214 people · 2019 | 2/3 | SYR4 |
| Nitrate-Nitrite | 1354.5 µg/L 14% of the EPA limit 10000 µg/L Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2019
Highest in the ZIP: 2718 µg/L — GREENHILL WATER & FIRE PRO AUTHORITY · 8,214 people · 2019 | 2/3 | SYR4 |
| Fluoride | 927.5 µg/L 23% of the EPA limit 4000 µg/L Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2019 | 2/3 | SYR4 |
| Chlorite | 646.8 µg/L 65% of the EPA limit 1000 µg/L Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2014 | 1/3 | SYR4 |
| Copper | 210.75 µg/L 16% of the EPA limit 1300 µg/L Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2019 | 2/3 | SYR4 |
| TTHM | 66.9 µg/L 84% of the EPA limit 80 µg/L Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2019
Highest in the ZIP: 74.145 µg/L — WEST LAUDERDALE CO, WATER & FPA · 15,681 people · 2019 | 3/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 47.13 µg/L 79% of the EPA limit 60 µg/L Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2019
Highest in the ZIP: 70.09 µg/L — WEST LAUDERDALE CO, WATER & FPA · 15,681 people · 2019 | 3/3 | SYR4 |
| Lead | 24.04 µg/L 160% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2019 | 2/3 | SYR4 |
| Barium | 21.9 µg/L 1.1% of the EPA limit 2000 µg/L Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2019 | 2/3 | SYR4 |
| Chloroform | 18.025 µg/L No EPA limit set Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2019 | 2/3 | SYR4 |
| Dibromochloromethane | 14.672 µg/L No EPA limit set Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2019 | 1/3 | SYR4 |
| Bromodichloromethane | 6.536 µg/L No EPA limit set Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2019 | 1/3 | SYR4 |
| Gross Alpha, Excl. Radon And U | 2.26 pCi/L 15% of the EPA limit 15 pCi/L Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2018 | 2/3 | SYR4 |
| Nitrite | 2 µg/L 0.2% of the EPA limit 1000 µg/L Highest in the ZIP: GREENHILL WATER & FIRE PRO AUTHORITY · 8,214 people · 2019 | 1/3 | SYR4 |
| Dalapon | 1.2 µg/L 0.6% of the EPA limit 200 µg/L Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2019 | 1/3 | SYR4 |
| Chromium | 0.6796 µg/L 0.7% of the EPA limit 100 µg/L Highest in the ZIP: GREENHILL WATER & FIRE PRO AUTHORITY · 8,214 people · 2019 | 1/3 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 0.4180 µg/L 7% of the EPA limit 6 µg/L Highest in the ZIP: GREENHILL WATER & FIRE PRO AUTHORITY · 8,214 people · 2019 | 1/3 | SYR4 |
| Atrazine | 0.2900 µg/L 9.7% of the EPA limit 3 µg/L Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2019 | 1/3 | SYR4 |
| Beryllium, Total | 0.2500 µg/L 6.3% of the EPA limit 4 µg/L Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2019 | 1/3 | SYR4 |
| PFOS | 0.0170 µg/L No EPA limit set Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2024
Highest in the ZIP: 0.0223 µg/L — GREENHILL WATER & FIRE PRO AUTHORITY · 8,214 people · 2025 | 3/3 | UCMR-5 |
| Pfba | 0.0097 µg/L No EPA limit set Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2024
Highest in the ZIP: 0.0133 µg/L — GREENHILL WATER & FIRE PRO AUTHORITY · 8,214 people · 2025 | 3/3 | UCMR-5 |
| PFOA | 0.0097 µg/L No EPA limit set Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2024
Highest in the ZIP: 0.0130 µg/L — WEST LAUDERDALE CO, WATER & FPA · 15,681 people · 2025 | 3/3 | UCMR-5 |
| PFBS | 0.0051 µg/L No EPA limit set Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2024 | 3/3 | UCMR-5 |
| Pfhxa | 0.0032 µg/L No EPA limit set Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2024
Highest in the ZIP: 0.0042 µg/L — GREENHILL WATER & FIRE PRO AUTHORITY · 8,214 people · 2025 | 3/3 | UCMR-5 |
| Lead | 0.0034 mg/L 23% of the EPA limit 0.0150 mg/L Main supplier: FLORENCE WATER DEPARTMENT, CITY OF · 77,766 people · 2025 | 3/3 | LCR |
| Pfhpa | 0.0031 µg/L No EPA limit set Highest in the ZIP: WEST LAUDERDALE CO, WATER & FPA · 15,681 people · 2025 | 2/3 | UCMR-5 |
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 the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
Water suppliers serving ZIP 35634
| Supplier | State | Population served |
|---|---|---|
| FLORENCE WATER DEPARTMENT, CITY OF | AL | 77,766 |
| WEST LAUDERDALE CO, WATER & FPA | AL | 15,681 |
| GREENHILL WATER & FIRE PRO AUTHORITY | AL | 8,214 |
Frequently asked questions about ZIP 35634 tap water
Is the tap water in ZIP 35634 safe to drink?
EPA testing detected 26 contaminants across the water suppliers serving ZIP 35634. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.
Which water suppliers serve ZIP 35634?
3 public water suppliers report EPA drinking-water monitoring for ZIP 35634. Each is listed above with its population served.
What contaminants are in ZIP 35634's water?
EPA monitoring detected Nitrate, Nitrate-Nitrite, Fluoride, Chlorite, Copper, and others across this ZIP's suppliers. The full list with levels and sources is above.