Lead in Monticello, MN Drinking Water
Lead data for Monticello, Minnesota · 20,125 residents · 16 ZIP codes
ZipCheckup's reading of Lead in Monticello, Minnesota: the highest detected level is 4 ppb; the EPA limit is 15 ppb (action level). Lead carries a high health-risk designation.
At elevated levels, Lead is a recognized health concern in drinking water; in Monticello, Minnesota, it has been detected in recent samples logged through federal compliance reporting.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-07-13
Lead in Monticello Tap Water
Lead has been detected in Monticello, Minnesota drinking water at a maximum level of 4 ppb — below the EPA action level of 15 ppb (action level).
This analysis covers 20,125 residents across 16 ZIP codes in Monticello.
Monticello's overall water quality grade is C (65/100).
Is Lead in Monticello 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 |
|---|---|---|---|
| 55362 | 4 ppb | 15 ppb (action level) | OK |
| 55365 | 4 ppb | 15 ppb (action level) | OK |
| 55561 | 4 ppb | 15 ppb (action level) | OK |
| 55563 | 4 ppb | 15 ppb (action level) | OK |
| 55565 | 4 ppb | 15 ppb (action level) | OK |
| 55580 | 4 ppb | 15 ppb (action level) | OK |
| 55581 | 4 ppb | 15 ppb (action level) | OK |
| 55582 | 4 ppb | 15 ppb (action level) | OK |
| 55584 | 4 ppb | 15 ppb (action level) | OK |
| 55585 | 4 ppb | 15 ppb (action level) | OK |
| 55586 | 4 ppb | 15 ppb (action level) | OK |
| 55587 | 4 ppb | 15 ppb (action level) | OK |
| 55588 | 4 ppb | 15 ppb (action level) | OK |
| 55589 | 4 ppb | 15 ppb (action level) | OK |
| 55590 | 4 ppb | 15 ppb (action level) | OK |
| 55591 | 4 ppb | 15 ppb (action level) | OK |
Average lead level across Monticello: 4 ppb
EPA Violations for Lead in Monticello
| Date | Violation Type | Status | ZIP Code |
|---|---|---|---|
| 2025-10-01 | Lead (Resolved) | Resolved | 55362 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55365 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55561 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55563 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55565 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55580 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55581 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55582 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55584 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55585 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55586 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55587 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55588 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55589 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55590 |
| 2025-10-01 | Lead (Resolved) | Resolved | 55591 |
| 2025-07-01 | Lead (Resolved) | Resolved | 55362 |
| 2025-07-01 | Lead (Resolved) | Resolved | 55365 |
| 2025-07-01 | Lead (Resolved) | Resolved | 55561 |
| 2025-07-01 | Lead (Resolved) | Resolved | 55563 |
| ... | 28 more violations |
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 Monticello 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.