What was found in Helendale'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 | 622500 µg/L 6225% of the EPA limit, at the 95th percentile of samples — 10000 µg/L Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2018 | 1/1 | SYR4 |
| Nitrate | 5300 µg/L 53% of the EPA limit 10000 µg/L Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2019 | 1/1 | SYR4 |
| Fluoride | 1490 µg/L 37% of the EPA limit 4000 µg/L Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2018 | 1/1 | SYR4 |
| Arsenic | 26 µg/L 260% of the EPA limit, at the 95th percentile of samples — 10 µg/L Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2019 | 1/1 | SYR4 |
| TTHM | 23.225 µg/L 29% of the EPA limit 80 µg/L Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2018 | 1/1 | SYR4 |
| Bromoform | 16.73 µg/L No EPA limit set Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2018 | 1/1 | SYR4 |
| Combined Uranium | 14.7316 µg/L 49% of the EPA limit 30 µg/L Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2018 | 1/1 | SYR4 |
| Lithium | 14.5 µg/L No EPA limit set Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2023 | 1/1 | UCMR-5 |
| Dibromochloromethane | 5.9 µg/L No EPA limit set Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2018 | 1/1 | SYR4 |
| Dibromoacetic Acid | 5.02 µg/L No EPA limit set Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2018 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 5.02 µg/L 8.4% of the EPA limit 60 µg/L Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2018 | 1/1 | SYR4 |
| Bromodichloromethane | 1.365 µg/L No EPA limit set Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2018 | 1/1 | SYR4 |
| PFOS | 0.0230 µg/L No EPA limit set Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2023 | 1/1 | UCMR-5 |
| PFHXS | 0.0146 µg/L No EPA limit set Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2023 | 1/1 | UCMR-5 |
| PFOA | 0.0130 µg/L No EPA limit set Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2023 | 1/1 | UCMR-5 |
| Pfba | 0.0082 µg/L No EPA limit set Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2023 | 1/1 | UCMR-5 |
| Pfpea | 0.0067 µg/L No EPA limit set Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2023 | 1/1 | UCMR-5 |
| Pfhxa | 0.0064 µg/L No EPA limit set Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2023 | 1/1 | UCMR-5 |
| PFBS | 0.0060 µg/L No EPA limit set Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2023 | 1/1 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: HELENDALE COMMUNITY SERVICE DISTRICT · 6,347 people · 2024 | 1/1 | LCR |
Water suppliers serving Helendale
| Supplier | Population served |
|---|---|
| HELENDALE COMMUNITY SERVICE DISTRICT | 6,347 |
Frequently asked questions about Helendale tap water
Is Helendale tap water safe to drink?
EPA testing detected 20 contaminants in the water serving Helendale. 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 Helendale?
1 public water supplier report drinking-water monitoring for Helendale, California to the EPA. Each is listed above with its population served.
What contaminants are in Helendale's water?
The contaminants EPA monitoring detected in Helendale include Nitrate-Nitrite, Nitrate, Fluoride, Arsenic, TTHM. 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.