WaterVerge

Is Mount Olivet, KY Tap Water Safe to Drink?

Graded B+, with 23 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

775 residents served 1 water system PWSID: KY1010297
Overall Score
80.5 / 100
Violations
23 active
Last Updated
May 2026
Source
Purchased surface water
#148 of 246 in Kentucky Top 50% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
80.5/100
waterverge.com
B+ 80.5/100

Mount Olivet, KY — Water Quality Report

Mount Olivet's drinking water received a grade of B+ (80.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 775 residents using purchased surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 39 violations on record, including 6 health-based violations. 23 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Mount Olivet's water

Mount Olivet ranks #148 out of 246 cities in Kentucky for water quality, placing it below average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

As a small community water system, Mount Olivet may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
80.5 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.5/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Mount Olivet, KY water safe to drink?

Concerns Identified

Mount Olivet's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (80.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 775 residents using surface water (rivers, lakes, or reservoirs).

23
Active Violations
0.0 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Mount Olivet

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Mount Olivet's water quality assessment. Grade: B+ (80.5/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Total Haloacetic Acids (HAA5).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Disaster
SEVERE WINTER STORM, SNOWSTORM, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4218). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA

Federal disaster declaration (FEMA DR-3231). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Mount Olivet's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Mount Olivet's water system has 39 total violations on record, including 6 health-based violations. 23 remain unresolved.

MONMROtherMCL
Most recent violations:
Oct 2019 Revised Total Coliform Rule Resolved
Oct 2017 Total Haloacetic Acids (HAA5) Open
Aug 2017 Public Notice Open
Feb 2017 Public Notice Open
Feb 2017 Public Notice Open

Flood & environmental risk

Robertson County has experienced 2 federally declared disasters since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Licking River, North Fork Licking River.

SEVERE WINTER STORM, SNOWSTORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4218
HURRICANE KATRINA
Hurricane FEMA DR-3231

Where does Mount Olivet's water come from?

Mount Olivet's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 775 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Licking River (river), North Fork Licking River (river).

What Mount Olivet residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Mount Olivet's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

39
Total violations
6
Health-based
23
Active / unresolved
Oct 2019
Most recent violation
Compliance Record

Violations & advisories

39 Total
23 Active
6 Health-based
16 Resolved
6 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
12
Public Notice Rule and Revised PN Rule
7
Consumer Confidence Rule
5
Total Coliform Rule
5
Lead and Copper Rule
4
Oct 2017 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2017 Active
Public Notice
Other Violation 0
Feb 2017 Active
Public Notice
Other Violation 0
Feb 2017 Active
Public Notice
Other Violation 0
Apr 2016 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2016 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2015 Active
Public Notice
Other Violation 0
Oct 2015 Active
Public Notice
Other Violation 0
Oct 2015 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2015 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2014 Active
Consumer Confidence Rule
Other Violation 0
Oct 2013 Active
Public Notice
Other Violation 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Oct 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Jan 2010 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Nov 2003 Active
Public Notice
Other Violation 0
Jan 1999 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Showing 20 of 39 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Robertson County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

5.6%
Months in D2+ (last 30y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

2
Declared disasters
May 2015
Most recent
Flood
Most common type

Robertson County has experienced 2 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2015
SEVERE WINTER STORM, SNOWSTORM, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4218
Sep 2005
HURRICANE KATRINA
Hurricane FEMA #3231

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 3.0 ppb from 1994 (3.0 ppb) to 2024 (0.0 ppb).
Contaminant Rankings

See how Mount Olivet compares by contaminant

Explore where Mount Olivet ranks among all Kentucky cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
775
Water Systems
1
Water Source

Where Mount Olivet's water comes from

Purchased Surface Water

Mount Olivet's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 775 people through 1 water system.

Local Hydrology

Water bodies near Mount Olivet

Mount Olivet is located near 2 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Licking River
river
North Fork Licking River
river
Infrastructure

Water systems serving Mount Olivet

System Name PWSID Population Source
MT OLIVET WATER DEPARTMENT KY1010297 775 SWP
Regional Comparison

How Mount Olivet compares

Full Kentucky rankings →

Mount Olivet's score of 80.5/100 is on par with the average of 80/100 among major Kentucky cities. It outscores 5 of 10 nearby cities.

Mount Olivet (this city)
80.5
Louisville
82.2
Ft. Thomas
86.8
Owensboro
85.1
Kentucky avg
80
City Profile

About Mount Olivet, KY

Wikipedia →

Mount Olivet is a home rule-class city in and the county seat of Robertson County, Kentucky, United States, located at the junction of U.S. Route 62 and Kentucky Route 165. The population was 347 at the 2020 United States census.

Economic Profile
$23,875
Median Income
$51,618
Median Home Value
$619/mo
Median Rent
3.9%
Unemployment
Community
50.3
Median Age
69
People / sq mi
19.5%
College Educated
49.4%
Homeownership
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Frequently asked questions

Is Mount Olivet, KY tap water safe to drink?

Mount Olivet's water quality earned a grade of B+ (80.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #148 out of 246 cities tested in Kentucky.

What contaminants are in Mount Olivet's water?

Lead was measured at 0.0 ppb (90th percentile). 39 violations are on record.

How is Mount Olivet's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Mount Olivet?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Mount Olivet's water come from?

Mount Olivet's water is sourced from Purchased surface water. The city has 1 water system serving approximately 775 residents.

What health violations has Mount Olivet's water system had?

Mount Olivet has 6 health-based violations on record. The most recent violation was recorded in October 2019. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 23 violations remain unresolved.

How does Mount Olivet's water compare to other cities?

Mount Olivet ranks #148 out of 246 cities in Kentucky (better than 40% of state cities) and #7854 out of 15744 cities nationally (50th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Mount Olivet's small water system affect quality?

Mount Olivet's system serves approximately 775 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 39 violations on record.