OH Tap Water Quality — ZIP 45657
NORTHWEST REGIONAL WATER DISTRICT · PWSID OH7300003 · Groundwater · 11,059 served
Live EPA SDWIS and UCMR5 snapshot for this ZIP — letter grade, violations, PFAS, and filter picks below. Full OH city report →
NORTHWEST REGIONAL WATER DISTRICT has no recorded violations in the EPA SDWIS database.
1 PFAS compound(s) detected — all below current EPA MCL limits.
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 OH7300003. If a page is blank, EPA may block embedding — use the direct EPA link at the bottom.
Direct (new tab): SDWIS ↗ · CCR finder ↗
1 PFAS compound detected — below EPA limits but PFAS accumulate in the body over time. A reverse osmosis filter removes them.
Sources: EPA SDWIS · EPA LCR National Dataset · EPA UCMR5 PFAS · USGS NWIS
ZIP 45657 (OH)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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Certified Filter Recommendations
Matched to what's actually in your water
Removes PFAS, lead, and disinfection byproducts — the primary concerns for this water supply.
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ClearlyFiltered.com →Want the full city-level breakdown? View the OH city water report →
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