A97/100
Princeton Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,283 residents · Missouri
What's In Princeton's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2021 – August 30, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2021 – June 30, 2021Rule: 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
PRINCETON PWS
Population Served
1,283
Water Source
Groundwater
System ID
MO2010664
Frequently Asked Questions About Princeton Water
Is Princeton tap water safe to drink?
Princeton, Missouri tap water receives a grade of A (97/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Princeton's water?
1 contaminants were tested in Princeton's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Princeton have any water quality violations?
Yes, Princeton has 3 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, MON. None of these are classified as health-based violations.
Do I need a water filter in Princeton?
Princeton 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. All contaminants are within health goals.
Where does Princeton's tap water come from?
Princeton's drinking water is sourced from groundwater and supplied by PRINCETON PWS. The system serves approximately 1,283 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Princeton'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. Princeton'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 Princeton's water compare to other cities in Missouri?
Princeton's water quality score of 97/100 earns a grade of A, which is considered excellent. This places Princeton among the better-performing water systems in Missouri. Visit our Missouri state page to see how all cities in the state compare.
What should I do if I'm concerned about Princeton's water quality?
If you have concerns about Princeton'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 (PRINCETON 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.