EPA data as of Oct 2026 · page updated 2026-10-30

Quebrada Arenas

Quebrada Arenas (EPA ID PR0003882) in San Lorenzo, PR supplies surface water (rivers, lakes) to about 4,472 people: no health-based violations since 2016, latest lead result 6 ppb, PFAS not tested.

System facts

People served4,472
Connections1,675
Sourcesurface water (rivers, lakes)
WholesalerNo

Health-based violations

No health-based violations reported since 2016.

Lead

Jul 20236 ppb
Jan 20236 ppb
Jul 20226 ppb
Jan 20226 ppb
Jul 20216 ppb
Jan 20213 ppb

90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.

PFAS

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5).

What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.

Questions

Has Quebrada Arenas had drinking water violations?

No health-based violations reported since 2016.

What is the lead level in Quebrada Arenas water?

The latest 90th-percentile lead result (Jul 2023) was 6 ppb. EPA’s action level is 15 ppb (10 ppb from 2027).

Does Quebrada Arenas have PFAS in its water?

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).