B78/100
HOLLISTER PWS — Water Quality Report 2026
Serving 4,426 people · Missouri
Water Source
Groundwater
County
—
System ID
MO5010374
Violations
11
Contaminant Test Results
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
No violations in the past 5 years
Full EPA compliance since 2013.
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 HOLLISTER PWS
Is HOLLISTER PWS water safe to drink?
HOLLISTER PWS water receives a grade of B (78/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has HOLLISTER PWS detected?
31 contaminants were tested in HOLLISTER PWS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does HOLLISTER PWS have any EPA violations?
Yes, HOLLISTER PWS has 11 EPA violation(s) on record, with the most recent in 2013. Violation types include MCL, Other, MR. 2 are health-based violations.
How many people does HOLLISTER PWS serve?
HOLLISTER PWS serves approximately 4,426 people, Missouri. The system provides water to 1 community: Hollister.
What type of water does HOLLISTER PWS provide?
HOLLISTER PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MO5010374.
How does HOLLISTER PWS compare to other utilities in Missouri?
HOLLISTER PWS scores 78/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Missouri state page for a full comparison of water systems.