WaterVerge

Is Mount Olive, NC Tap Water Safe to Drink?

Graded B+, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

4K residents served 1 water system PWSID: NC0496015
Overall Score
81.7 / 100
Violations
6 active
Last Updated
May 2026
Source
Groundwater
#120 of 417 in North Carolina Top 47% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
81.7/100
waterverge.com
B+ 81.7/100

Mount Olive, NC — Water Quality Report

Mount Olive's drinking water received a grade of B+ (81.7 out of 100), indicating good water quality. The city's 1 water system serves approximately 4,261 residents using groundwater.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 7 violations on record, including 1 health-based violation. 6 remain unresolved.

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

What to know about Mount Olive's water

Mount Olive ranks #120 out of 417 cities in North Carolina for water quality, placing it mid-range in the state.

Mount Olive relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

Quality Breakdown

Water quality score

See methodology →
81.7 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.7/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
20/20
A
No PFAS compounds detected.
Compliance
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Mount Olive, NC water safe to drink?

Concerns Identified

Mount Olive's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (81.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 4,261 residents using groundwater (wells).

6
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
10 events
Disaster History

Recent water quality updates for Mount Olive

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 Olive's water quality assessment. Grade: B+ (81.7/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
2 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
HURRICANE IAN

Federal disaster declaration (FEMA DR-3586). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
HURRICANE ISAIAS

Federal disaster declaration (FEMA DR-3534). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Mount Olive's water system has 7 total violations on record, including 1 health-based violation. 6 remain unresolved. 4 violations were issued in the last 5 years.

MONRPTTTMROther
Most recent violations:
Apr 2025 Revised Total Coliform Rule Resolved
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Jan 2022 Lead and Copper Rule Open
Jul 2020 Consumer Confidence Rule Open

Flood & environmental risk

Wayne County has experienced 10 federally declared disasters since 2011. 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 Neuse River.

HURRICANE IAN
Hurricane FEMA DR-3586
HURRICANE ISAIAS
Hurricane FEMA DR-3534
HURRICANE DORIAN
Hurricane FEMA DR-4465

Where does Mount Olive's water come from?

Mount Olive's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 4,261 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Neuse River (river).

What Mount Olive residents can do

Install a water filter

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

Monitor alerts during storms

Mount Olive's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

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
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

7
Total violations
1
Health-based
6
Active / unresolved
Apr 2025
Most recent violation
Compliance Record

Violations & advisories

7 Total
6 Active
1 Health-based
1 Resolved
Violations by category
Consumer Confidence Rule
3
Lead and Copper Rule Revisions
2
Revised Total Coliform Rule
1
Lead and Copper Rule
1
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Jan 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2020 Active
Consumer Confidence Rule
Other Violation 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2018 Active
Consumer Confidence Rule
Other Violation 0
Apr 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2025
Industrial pollution

Top industrial polluters within 10 miles of Mount Olive

Industrial polluters nearby

Reported releases to surface water by facilities near Mount Olive, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
GEORGIA-PACIFIC WOOD PRODUCTS LLC DUDLEY FACILITY
Wood Products · KOCH INC
DUDLEY, NC28333
4.5 mi
BUTTERBALL LLC
Food · SEABOARD CORP
MOUNT OLIVE, NC28365
9.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Wayne County is currently in D2 (severe 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.

14
Weeks at D2+ (current streak)
16.6%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

10
Declared disasters
Oct 2022
Most recent
Hurricane
Most common type

Wayne County has experienced 10 federally declared disasters since 2011. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Oct 2022
HURRICANE IAN
Hurricane FEMA #3586
Aug 2020
HURRICANE ISAIAS
Hurricane FEMA #3534
Oct 2019
HURRICANE DORIAN
Hurricane FEMA #4465
Sep 2019
HURRICANE DORIAN
Hurricane FEMA #3423
Sep 2018
HURRICANE FLORENCE
Hurricane FEMA #4393
Sep 2018
HURRICANE FLORENCE
Hurricane FEMA #3401

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.0 ppb from 1992 (5.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
4,261
Water Systems
1
Water Source

Where Mount Olive's water comes from

Groundwater

Mount Olive's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 4,261 people through 1 water system.

Local Hydrology

Water bodies near Mount Olive

Mount Olive is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Neuse River
river
Infrastructure

Water systems serving Mount Olive

System Name PWSID Population Source
MOUNT OLIVE, TOWN OF NC0496015 4,261 GW
Regional Comparison

How Mount Olive compares

Full North Carolina rankings →

Mount Olive's score of 81.7/100 is above the average of 43/100 among major North Carolina cities. It outscores 9 of 10 nearby cities.

Mount Olive (this city)
81.7
Charlotte
36.5
Raleigh
30.7
Durham
36.6
Greensboro
33.5
North Carolina avg
43
City Profile

About Mount Olive, NC

Economic Profile
$41,738
Median Income
$111,398
Median Home Value
$822/mo
Median Rent
7.1%
Unemployment
Community
41.9
Median Age
604
People / sq mi
16%
College Educated
53.5%
Homeownership
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Frequently asked questions

Is Mount Olive, NC tap water safe to drink?

Mount Olive's water quality earned a grade of B+ (81.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #120 out of 417 cities tested in North Carolina.

What contaminants are in Mount Olive's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 7 violations are on record.

How is Mount Olive'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 Olive?

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

Where does Mount Olive's water come from?

Mount Olive's water is sourced from Groundwater. The city has 1 water system serving approximately 4,261 residents.

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

Mount Olive has 1 health-based violation on record. The most recent violation was recorded in April 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.

Is Mount Olive's groundwater at risk of contamination?

Mount Olive uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 7 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

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

Mount Olive ranks #120 out of 417 cities in North Carolina (better than 71% of state cities) and #7341 out of 15744 cities nationally (53th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.