WaterVerge

Is Louisburg, NC Tap Water Safe to Drink?

Graded C-, with 64 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

5K residents served 5 water systems PWSID: NC0235015
Overall Score
59.1 / 100
Violations
64 active
Last Updated
May 2026
Source
Surface water
#294 of 417 in North Carolina Top 78% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C-GRADE
Water Quality Grade
59.1/100
waterverge.com
C- 59.1/100

Louisburg, NC — Water Quality Report

Louisburg's drinking water received a grade of C- (59.1 out of 100), indicating poor water quality. The city's 5 water systems serve approximately 5,120 residents using 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 285 violations on record, including 20 health-based violations. 64 remain unresolved.

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

What to know about Louisburg's water

Louisburg ranks #294 out of 417 cities in North Carolina 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.

Haloacetic acid (HAA5) levels were elevated at 46.5 µg/L in UCMR 4 testing, though below the 60 µg/L EPA limit. Activated carbon filtration can help reduce these disinfection byproducts.

The system has seen 8 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
59.1 out of 100 Grade C-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
16.5/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
13.6/20
C
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Louisburg, NC water safe to drink?

Concerns Identified

Louisburg's drinking water has significant quality concerns based on EPA testing data. With a grade of C- (59.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 5 water systems serve approximately 5,120 residents using surface water (rivers, lakes, or reservoirs).

64
Active Violations
0.0 ppb
Lead (90th %ile)
7 events
Disaster History

Recent water quality updates for Louisburg

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Louisburg's water quality assessment. Grade: C- (59.1/100).

Violation
2 drinking water violations recorded

Contaminants: Revised Total Coliform Rule, Chlorine.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
3 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5), Revised Total Coliform Rule.

Disaster
HURRICANE IAN

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

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 Louisburg's water supply.

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

Well within EPA limits.

HAA5 (Disinfection Byproducts) Elevated
Detected: 46.5 µg/L Limit: 60 µg/L (EPA MCL)

Elevated disinfection byproduct levels. These form when chlorine interacts with organic matter during water treatment.

Violation history

Louisburg's water system has 285 total violations on record, including 20 health-based violations. 64 remain unresolved. 8 violations were issued in the last 5 years.

MONMRRPTOtherMCLTT
Most recent violations:
Jul 2024 Revised Total Coliform Rule Resolved
Jul 2024 Chlorine Resolved
Dec 2023 Revised Total Coliform Rule Open
Jul 2023 TTHM Resolved
Jul 2023 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Franklin County has experienced 7 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 Tar R.

HURRICANE IAN
Hurricane FEMA DR-3586
HURRICANE ISAIAS
Hurricane FEMA DR-3534
HURRICANE DORIAN
Hurricane FEMA DR-3423

Where does Louisburg's water come from?

Louisburg's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 5 water systems serving approximately 5,120 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Tar R (river).

What Louisburg residents can do

Install a water filter

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

Louisburg'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
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Near MCL
46.5 µg/L
EPA MCL: 60 µg/L · 77% of limit
ElevatedUCMR 4 DataHAA6Br: 7.1 µg/LHAA9: 53.4 µg/L
Manganese
Inorganic
Detected
11.4 µg/L
EPA Secondary MCL: 50 µg/L · 23% of limit
DetectedUCMR 4 Data
Compliance Record

Violation summary

285
Total violations
20
Health-based
64
Active / unresolved
Jul 2024
Most recent violation
Compliance Record

Violations & advisories

285 Total
64 Active
20 Health-based
221 Resolved
Violations by category
Radionuclides and Revised Rad Rule
75
Total Coliform Rule
39
Inorganic Chemicals
36
Synthetic Organic Chemicals
33
Public Notice Rule and Revised PN Rule
28
Dec 2023 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jul 2023 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jul 2020 Active
Consumer Confidence Rule
Other Violation 0
Sep 2019 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2019 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Apr 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Jan 2015 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2015 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2014 Active
Consumer Confidence Rule
Other Violation 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Mar 2013 Active
Public Notice
Other Violation 0
Jun 2012 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2011 Active
Public Notice
Other Violation 0
Aug 2011 Active
Public Notice
Other Violation 0
Showing 20 of 285 violations
Industrial pollution

Top industrial polluters within 10 miles of Louisburg

Industrial polluters nearby

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

Total reported releases to surface water: 162 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
NOVOZYMES NA INC
Chemicals · NOVOZYMES US INC
FRANKLINTON, NC27525
Nitrate compounds (water dissociable; reportable only when in aqueous solution)1626.1 mi
TONEY LUMBER CO
Wood Products · NA
LOUISBURG, NC27549
0.8 mi
OLDCASTLE LAWN & GARDEN
Wood Products · CRH AMERICAS INC
LOUISBURG, NC27549
1.8 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Franklin County is currently in D3 (extreme 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)
15.4%
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

7
Declared disasters
Oct 2022
Most recent
Hurricane
Most common type

Franklin County has experienced 7 federally declared disasters since 2005. 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
Sep 2019
HURRICANE DORIAN
Hurricane FEMA #3423
Sep 2018
HURRICANE FLORENCE
Hurricane FEMA #3401
Oct 2016
HURRICANE MATTHEW
Hurricane FEMA #4285
Oct 2016
HURRICANE MATTHEW
Hurricane FEMA #3380

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 20.0 ppb from 1992 (20.0 ppb) to 2026 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
5,120
Water Systems
5
Source breakdown
Groundwater
4
Surface Water
1
Water Source

Where Louisburg's water comes from

Surface Water

Louisburg'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 5,120 people through 5 water systems.

Local Hydrology

Water bodies near Louisburg

Louisburg is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Tar R
river
Infrastructure

Water systems serving Louisburg

System Name PWSID Population Source
LOUISBURG, TOWN OF NC0235015 4,554 SW
BAILEY FARMS SUBDIVISION NC4035019 181 GW
FOX PARK MHP NC0235101 158 GW
SWEET BRIAR S/D NC0235127 143 GW
PINE FOREST MHP NC0235123 84 GW
Regional Comparison

How Louisburg compares

Full North Carolina rankings →

Louisburg's score of 59.1/100 is above the average of 43/100 among major North Carolina cities. It outscores 8 of 10 nearby cities.

Louisburg (this city)
59.1
Charlotte
36.5
Raleigh
30.7
Durham
36.6
Greensboro
33.5
North Carolina avg
43
City Profile

About Louisburg, NC

Wikipedia →

Louisburg is a town in and the county seat of Franklin County, North Carolina, United States. As of the 2020 census, the town population was 3,064. The town is located approximately 29 miles northeast of the state capital, Raleigh, and located about 31 miles south of the Virginia border. It is also the home of Louisburg College, the oldest two-year coeducational college in the United States.

Economic Profile
$41,813
Median Income
$201,533
Median Home Value
$1,006/mo
Median Rent
28.3%
Unemployment
Community
28.9
Median Age
405
People / sq mi
16.7%
College Educated
42%
Homeownership
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Frequently asked questions

Is Louisburg, NC tap water safe to drink?

Louisburg's water quality earned a grade of C- (59.1/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #294 out of 417 cities tested in North Carolina.

What contaminants are in Louisburg's water?

Lead was measured at 0.0 ppb (90th percentile). 285 violations are on record.

How is Louisburg'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 Louisburg?

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

Where does Louisburg's water come from?

Louisburg's water is sourced from Surface water. The city has 5 water systems serving approximately 5,120 residents.

What health violations has Louisburg's water system had?

Louisburg has 20 health-based violations on record. The most recent violation was recorded in July 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 64 violations remain unresolved.

How does Louisburg's water compare to other cities?

Louisburg ranks #294 out of 417 cities in North Carolina (better than 29% of state cities) and #12210 out of 15744 cities nationally (22th percentile). The grade of C- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.