Is Allentown, Pennsylvania tap water safe?
10 water systems report serving Allentown. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.
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Lca Allentown Division
Serves 118,000 people · Surface water · Full report →
No health-based violations in the last 5 years; 4 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
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City of Bethlehem
Serves 117,259 people · Surface water · Full report →
No health-based violations in the last 5 years; 3 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
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Lca Wlsa Central Division
Serves 47,693 people · Surface water · Full report →
No health-based violations in the last 5 years; 8 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2025).
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Swt Main System
Serves 14,500 people · Surface water · Full report →
No health-based violations in the last 5 years; 4 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
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Salisbury Twp Water System
Serves 8,522 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
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Lca Emmaus Consecutive Div
Serves 1,046 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file.
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Aqua Pa Springhouse Farms
Serves 645 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 1996 (older than 5 years, not graded).
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Hanover Township Lehigh County
Serves 520 people · Surface water · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 1996 (older than 5 years, not graded).
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Aqua Pa Country Club Gardens
Serves 268 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 1996 (older than 5 years, not graded).
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Aqua Pa Maple Hills
Serves 164 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 2010 (older than 5 years, not graded).