What was found in Red Bluff's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate-Nitrite | 970000 µg/L 9700% of the EPA limit, at the 95th percentile of samples — 10000 µg/L Main supplier: CITY OF RED BLUFF · 14,710 people · 2016 | 10/19 | SYR4 |
| Nitrate | 2025 µg/L 20% of the EPA limit 10000 µg/L Main supplier: CITY OF RED BLUFF · 14,710 people · 2019
Highest in the city: 11800 µg/L — ANTOINETTE MUTUAL WATER CO · 25 people · 2019 | 18/19 | SYR4 |
| Fluoride | 100 µg/L 2.5% of the EPA limit 4000 µg/L Main supplier: CITY OF RED BLUFF · 14,710 people · 2016
Highest in the city: 295 µg/L — WILSON ACRES MUTUAL WATER · 75 people · 2019 | 8/19 | SYR4 |
| Barium | 74.12 µg/L 3.7% of the EPA limit 2000 µg/L Main supplier: CITY OF RED BLUFF · 14,710 people · 2016
Highest in the city: 112 µg/L — ANTOINETTE MUTUAL WATER CO · 25 people · 2017 | 7/19 | SYR4 |
| Copper | 9.7 µg/L 0.7% of the EPA limit 1300 µg/L Main supplier: CITY OF RED BLUFF · 14,710 people · 2016
Highest in the city: 88 µg/L — ANTOINETTE MUTUAL WATER CO · 25 people · 2017 | 2/19 | SYR4 |
| Chromium | 6.35 µg/L 6.4% of the EPA limit 100 µg/L Main supplier: CITY OF RED BLUFF · 14,710 people · 2016
Highest in the city: 19 µg/L — GOLDEN MEADOWS CSD · 102 people · 2019 | 6/19 | SYR4 |
| Arsenic | 4 µg/L 40% of the EPA limit 10 µg/L Main supplier: CITY OF RED BLUFF · 14,710 people · 2019
Highest in the city: 7.681 µg/L — SURREY VILLAGE WATER CO. INC. · 163 people · 2019 | 8/19 | SYR4 |
| Thallium, Total | 2.912 µg/L 146% of the EPA limit, at the 95th percentile of samples — 2 µg/L Highest in the city: SURREY VILLAGE WATER CO. INC. · 163 people · 2018 | 1/19 | SYR4 |
| Lead | 1.56 µg/L 10% of the EPA limit 15 µg/L Main supplier: CITY OF RED BLUFF · 14,710 people · 2016 | 1/19 | SYR4 |
| Selenium | 1 µg/L 2% of the EPA limit 50 µg/L Main supplier: CITY OF RED BLUFF · 14,710 people · 2016 | 1/19 | SYR4 |
| Cadmium | 0.4000 µg/L 8% of the EPA limit 5 µg/L Highest in the city: WILSON ACRES MUTUAL WATER · 75 people · 2016 | 1/19 | SYR4 |
| Mercury | 0.0245 µg/L 1.2% of the EPA limit 2 µg/L Main supplier: CITY OF RED BLUFF · 14,710 people · 2016
Highest in the city: 0.0600 µg/L — RIO RANCH COMMUNITY SVCS DIST · 44 people · 2015 | 3/19 | SYR4 |
| PFOA | 0.0074 µg/L No EPA limit set Main supplier: CITY OF RED BLUFF · 14,710 people · 2024 | 1/19 | UCMR-5 |
| Pfpea | 0.0067 µg/L No EPA limit set Main supplier: CITY OF RED BLUFF · 14,710 people · 2024 | 1/19 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: CITY OF RED BLUFF · 14,710 people · 2025
Highest in the city: 0.0062 mg/L — MOUNTAIN VALLEY APTS & RVP · 131 people · 2025 | 19/19 | LCR |
| Pfhxa | 0.0060 µg/L No EPA limit set Main supplier: CITY OF RED BLUFF · 14,710 people · 2024 | 1/19 | UCMR-5 |
| Pfhpa | 0.0055 µg/L No EPA limit set Main supplier: CITY OF RED BLUFF · 14,710 people · 2024 | 1/19 | UCMR-5 |
Water suppliers serving Red Bluff
Frequently asked questions about Red Bluff tap water
Is Red Bluff tap water safe to drink?
EPA testing detected 17 contaminants in the water serving Red Bluff. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Red Bluff?
19 public water suppliers report drinking-water monitoring for Red Bluff, California to the EPA. Each is listed above with its population served.
What contaminants are in Red Bluff's water?
The contaminants EPA monitoring detected in Red Bluff include Nitrate-Nitrite, Nitrate, Fluoride, Barium, Copper. The full list, with the level at the main supplier and the data source, is in the table above.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.