C51/100
MERRIAM WOODS PWS — Water Quality Report 2026
Serving 1,839 people · Missouri
Water Source
Groundwater
County
—
System ID
MO5036152
Violations
46
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – December 19, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – November 30, 2022Enforcement: 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
Frequently Asked Questions About MERRIAM WOODS PWS
Is MERRIAM WOODS PWS water safe to drink?
MERRIAM WOODS PWS water receives a grade of C (51/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 46 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MERRIAM WOODS PWS detected?
1 contaminants were tested in MERRIAM WOODS PWS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MERRIAM WOODS PWS have any EPA violations?
Yes, MERRIAM WOODS PWS has 46 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR.
How many people does MERRIAM WOODS PWS serve?
MERRIAM WOODS PWS serves approximately 1,839 people, Missouri.
What type of water does MERRIAM WOODS PWS provide?
MERRIAM WOODS PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO5036152.
How does MERRIAM WOODS PWS compare to other utilities in Missouri?
MERRIAM WOODS PWS scores 51/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Missouri state page for a full comparison of water systems.