SAN SEBASTIAN Tap Water Quality — ZIP 00676
ACUEDUCTO COMUNAL SONADOR INC. · PWSID PR0351023 · Groundwater · 600 served
Live EPA SDWIS and UCMR5 snapshot for this ZIP — letter grade, violations, PFAS, and filter picks below. Full SAN SEBASTIAN city report →
ACUEDUCTO COMUNAL SONADOR INC. has no recorded violations in the EPA SDWIS database.
WaterCheckup Safety Score — an independent index from EPA public data and our formula. Not your utility’s official water quality rating, an EPA compliance grade, or a test of water at your tap. How we score →
Scores cap at 88/88 — even clean supplies have chlorine and disinfection byproducts federal records do not fully capture.
Open EPA's own pages inside our site (your address bar stays on watercheckup.com). PWSID PR0351023. If a page is blank, EPA may block embedding — use the direct EPA link at the bottom.
Direct (new tab): SDWIS ↗ · CCR finder ↗
No open violations or PFAS detections on record. That said, lead can still enter from your home's internal plumbing — especially in homes built before 1986.
Sources: EPA SDWIS · EPA LCR National Dataset · USGS NWIS
ZIP 00676 (SAN SEBASTIAN)utility data is a strong baseline — but lead often comes from your home's pipes, and PFAS can vary by neighborhood. Choose certified lab testing for certainty, or skip straight to NSF-certified filters matched to this profile.
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Get NSF 58 / NSF 53 picks matched to ZIP 00676 (SAN SEBASTIAN)'s PFAS, lead, and disinfection byproduct profile — reviewed by a 30-year water treatment expert.
Best when contaminants are already flagged above and you want the right RO or pitcher today
Certified Filter Recommendations
Matched to what's actually in your water
NSF-certified for lead, chlorine, and 365+ contaminants — strongest pitcher option when EPA data looks relatively clean.
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View on Amazon →Want the full city-level breakdown? View the SAN SEBASTIAN city water report →
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