C
67

Fair Water Quality

Monticello, MS 39654

Lawrence County · Population served: 8,762 · Data updated March 2026

Water Systems Serving This Area

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LAWRENCE COUNTY WATER ASSN
Groundwater · Pop. 2,100
PWSID: MS0390002
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TOWN OF MONTICELLO
Groundwater · Pop. 1,400
PWSID: MS0390003
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SONTAG-WANILLA
Groundwater · Pop. 1,484
PWSID: MS0390006
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LINCOLN RURAL W/A-HEUCKS RET
Groundwater · Pop. 3,778
PWSID: MS0430030

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
1.8
15 ppb 1 ppb Warning

Violation History (Last 5 Years)

34Total (5yr)
0Health-Based
26Major

Water Quality Summary

Understanding Your Water in Monticello

Tap water quality in Monticello, Mississippi (39654) receives an overall grade of C (Fair) with a score of 67 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is roughly in line with the Mississippi state average of 65. The area is served by 4 water systems providing water to approximately 8,762 people, using groundwater sources. Testing has found elevated levels of Lead that warrant attention. The area has 34 violations over the past 5 years, though none were classified as health-based.

Your Score 67/100 C
vs State 2 pts above Mississippi avg (65)
vs National 8 pts below national avg (75)

What a Grade C Means

A score of 67/100 indicates fair water quality in Monticello, MS. While the water meets minimum federal standards, there are noteworthy concerns — either elevated contaminant levels approaching regulatory limits, a moderate violation history, or both. Residents may want to review specific contaminant data and consider targeted filtration, especially for sensitive groups like children and pregnant women.

Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

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Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Tap water in Monticello, Mississippi receives a grade of C (Fair) with a score of 67/100. While it generally meets minimum federal standards, there are some areas of concern including violation history or elevated contaminant levels. Sensitive populations (children, pregnant women, elderly) may want to consider additional filtration.

ZIP code 39654 is served by 4 water systems using groundwater sources, providing water to approximately 8,762 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.

Lead was detected at 1.8 ppb in Monticello, Mississippi. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

No PFAS ("forever chemicals") were detected in water systems serving Monticello, Mississippi during the most recent EPA monitoring period (UCMR5). However, not all water systems have been tested for all PFAS compounds, and new contamination can occur over time.

Water systems serving Monticello, Mississippi have received 34 violations in the last 5 years. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead), residents in Monticello, Mississippi should consider: NSF/ANSI 53 certified filter — specifically rated for lead reduction. Pitcher filters (like Brita Longlast or PUR) and under-sink systems both work. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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