What was found in Cidra'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 |
|---|---|---|---|
| PFOS | 0.0098 µg/L No EPA limit set Main supplier: CIDRA URBANO · 34,424 people · 2024 | 1/4 | UCMR-5 |
| Pfba | 0.0087 µg/L No EPA limit set Main supplier: CIDRA URBANO · 34,424 people · 2024 | 1/4 | UCMR-5 |
| Lead | 0.0060 mg/L 40% of the EPA limit 0.0150 mg/L Main supplier: CIDRA URBANO · 34,424 people · 2015 | 2/4 | LCR |
| PFHXS | 0.0045 µg/L No EPA limit set Main supplier: CIDRA URBANO · 34,424 people · 2024 | 1/4 | UCMR-5 |
| Pfhxa | 0.0031 µg/L No EPA limit set Main supplier: CIDRA URBANO · 34,424 people · 2024 | 1/4 | UCMR-5 |
| Pfpea | 0.0031 µg/L No EPA limit set Main supplier: CIDRA URBANO · 34,424 people · 2024 | 1/4 | UCMR-5 |
Water suppliers serving Cidra
| Supplier | Population served |
|---|---|
| CIDRA URBANO | 34,424 |
| ASOC. RES. COM. CEIBA CARRASQUILLO | 641 |
| ALMIRANTE JAGUAS CORP | 315 |
| ASOCIACION PELEGRIN SANTOS INC. | 256 |
Frequently asked questions about Cidra tap water
Is Cidra tap water safe to drink?
EPA testing detected 6 contaminants in the water serving Cidra. 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 Cidra?
4 public water suppliers report drinking-water monitoring for Cidra, PR to the EPA. Each is listed above with its population served.
What contaminants are in Cidra's water?
The contaminants EPA monitoring detected in Cidra include PFOS, Pfba, Lead, PFHXS, Pfhxa. 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.