D39/100
Nixa Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 27,432 residents · Missouri
What's In Nixa's Tap Water?
66
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2024 – January 23, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
NIXA PWS
Population Served
24,532
Water Source
Groundwater
System ID
MO5010576
NIXA PWS RDE
Population Served
2,900
Water Source
Groundwater
System ID
MO5048130
Frequently Asked Questions About Nixa Water
Is Nixa tap water safe to drink?
Nixa, Missouri tap water receives a grade of D (39/100), which is considered poor. 0 contaminant(s) exceed EPA maximum contaminant levels and 36 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Nixa's water?
Of the 66 contaminants tested in Nixa's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Nixa have any water quality violations?
Yes, Nixa has 36 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, RPT, Other. 20 of these are health-based violations, which are the most serious category.
Do I need a water filter in Nixa?
Nixa water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Nixa's tap water come from?
Nixa's drinking water is sourced from groundwater and supplied by NIXA PWS and 1 other water system(s). The system serves approximately 27,432 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Nixa's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Nixa's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Nixa's water compare to other cities in Missouri?
Nixa's water quality score of 39/100 earns a grade of D, which is considered poor. This is a concerning score that suggests significant water quality issues. Visit our Missouri state page to see how all cities in the state compare.
What should I do if I'm concerned about Nixa's water quality?
If you have concerns about Nixa's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (NIXA PWS) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.