Lead in Harrisburg, PA Drinking Water
Lead data for Harrisburg, Pennsylvania · 183,427 residents · 26 ZIP codes
ZipCheckup's reading of Lead in Harrisburg, Pennsylvania: the highest detected level is 2.3 ppb; the EPA limit is 15 ppb (action level). Lead carries a high health-risk designation.
Routine testing in Harrisburg, Pennsylvania turned up Lead - samples from the public supply came back positive, placing this contaminant on the list of substances residents here have a concrete reason to look into.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-07-13
Lead in Harrisburg Tap Water
Lead has been detected in Harrisburg, Pennsylvania drinking water at a maximum level of 2.3 ppb — below the EPA action level of 15 ppb (action level).
This analysis covers 183,427 residents across 26 ZIP codes in Harrisburg.
Harrisburg's overall water quality grade is C (55/100).
Is Lead in Harrisburg Water Safe?
If you live in an affected ZIP code, consider installing a reverse osmosis or nsf 53 carbon block filter certified under NSF 53 / NSF 58 and testing your water independently.
Lead Levels by ZIP Code
| ZIP Code | Lead Level | EPA Limit | Status |
|---|---|---|---|
| 17104 | 2.3 ppb | 15 ppb (action level) | OK |
| 17105 | 2.3 ppb | 15 ppb (action level) | OK |
| 17106 | 2.3 ppb | 15 ppb (action level) | OK |
| 17107 | 2.3 ppb | 15 ppb (action level) | OK |
| 17108 | 2.3 ppb | 15 ppb (action level) | OK |
| 17109 | 2.3 ppb | 15 ppb (action level) | OK |
| 17110 | 2.3 ppb | 15 ppb (action level) | OK |
| 17111 | 2.3 ppb | 15 ppb (action level) | OK |
| 17112 | 2.3 ppb | 15 ppb (action level) | OK |
| 17113 | 2.3 ppb | 15 ppb (action level) | OK |
| 17121 | 2.3 ppb | 15 ppb (action level) | OK |
| 17122 | 2.3 ppb | 15 ppb (action level) | OK |
| 17123 | 2.3 ppb | 15 ppb (action level) | OK |
| 17124 | 2.3 ppb | 15 ppb (action level) | OK |
| 17125 | 2.3 ppb | 15 ppb (action level) | OK |
| 17126 | 2.3 ppb | 15 ppb (action level) | OK |
| 17127 | 2.3 ppb | 15 ppb (action level) | OK |
| 17128 | 2.3 ppb | 15 ppb (action level) | OK |
| 17129 | 2.3 ppb | 15 ppb (action level) | OK |
| 17130 | 2.3 ppb | 15 ppb (action level) | OK |
| 17140 | 2.3 ppb | 15 ppb (action level) | OK |
| 17177 | 2.3 ppb | 15 ppb (action level) | OK |
| 17101 | 2.1 ppb | 15 ppb (action level) | OK |
| 17102 | 2.1 ppb | 15 ppb (action level) | OK |
| 17103 | 2.1 ppb | 15 ppb (action level) | OK |
| ...1 more ZIP codes |
Average lead level across Harrisburg: 2.27 ppb
Health Effects of Lead
- Brain development delays and reduced IQ in children
- Behavioral problems and learning disabilities
- High blood pressure and kidney damage in adults
- Increased risk of premature birth in pregnant women
Health risk severity: High. Governed by the Lead and Copper Rule Revisions (LCRR/LCRI).
How Lead Gets Into Drinking Water
- Corrosion of lead service lines (pipes connecting water main to home)
- Lead solder in copper plumbing joints (pre-1986 homes)
- Brass fixtures and faucets manufactured before 2014
- Stagnant water that sits in lead-containing pipes overnight
What to Do About Lead in Harrisburg Water
- Install an NSF 53 or NSF 58 certified filter at kitchen sink
- Run cold water for 30 seconds before using for drinking or cooking
- Use cold water only for cooking and preparing formula
- Consider whole-home reverse osmosis if lead service line is present
Look for filters certified under NSF 53 / NSF 58 for lead removal.