WaterVerge

Is Tupelo, OK Tap Water Safe to Drink?

Graded C+, with 25 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

527 residents served 2 water systems PWSID: OK3001506
Overall Score
67.2 / 100
Violations
25 active
Last Updated
May 2026
Source
Purchased ground water
#130 of 358 in Oklahoma Top 72% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C+GRADE
Water Quality Grade
67.2/100
waterverge.com
C+ 67.2/100

Tupelo, OK — Water Quality Report

Tupelo's drinking water received a grade of C+ (67.2 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 527 residents using purchased ground water.

Lead levels were measured at 2.0 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 120 violations on record, including 10 health-based violations. 25 remain unresolved.

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

What to know about Tupelo's water

Tupelo ranks #130 out of 358 cities in Oklahoma for water quality, placing it mid-range in the state.

Tupelo purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.

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

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 →
67.2 out of 100 Grade C+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
20.2/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Tupelo, OK water safe to drink?

Concerns Identified

Tupelo's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (67.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 527 residents using groundwater (wells).

25
Active Violations
2.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Tupelo

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Tupelo's water quality assessment. Grade: C+ (67.2/100).

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
4 drinking water violations recorded

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

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Disaster
SEVERE STORMS, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-1754). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3219). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 2.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Tupelo's water system has 120 total violations on record, including 10 health-based violations. 25 remain unresolved. 8 violations were issued in the last 5 years.

MRTTRPTMONOtherMCL
Most recent violations:
Oct 2025 TTHM Resolved
Oct 2025 Total Haloacetic Acids (HAA5) Resolved
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open

Flood & environmental risk

Coal County has experienced 3 federally declared disasters since 1981. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA DR-1754
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3219
SEVERE STORMS & FLOODING
Flood FEMA DR-649

Where does Tupelo's water come from?

Tupelo's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 527 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Tupelo residents can do

Install a water filter

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

Tupelo'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
2.0 ppb
EPA Action Level: 15 ppb · 14% of limit
Safe Level
Compliance Record

Violation summary

120
Total violations
10
Health-based
25
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

120 Total
25 Active
10 Health-based
95 Resolved
1 SNC
Violations by category
Total Coliform Rule
54
Stage 2 Disinfectants and Disinfection Byproducts Rule
30
Consumer Confidence Rule
12
Stage 1 Disinfectants and Disinfection Byproducts Rule
8
Revised Total Coliform Rule
5
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
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
Jun 2019 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Mar 2016 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 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
Oct 2012 Active
Groundwater Rule
Other Violation 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Jul 2011 Active
Consumer Confidence Rule
Other Violation 0
Oct 2010 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
May 2010 Active
Groundwater Rule
Other Violation 0
Apr 2010 Active
Groundwater Rule
Other Violation 0
Showing 20 of 120 violations
Industrial pollution

Top industrial polluters within 10 miles of Tupelo

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
COALGATE TUPELO STONEWALL GAS PLANT
Natural Gas Processing · TARGA RESOURCES CORP
COALGATE, OK74538
8.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Coal 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.

9.5%
Months in D2+ (last 30y)
8
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

3
Declared disasters
May 2008
Most recent
Flood
Most common type

Coal County has experienced 3 federally declared disasters since 1981. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2008
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA #1754
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3219
Nov 1981
SEVERE STORMS & FLOODING
Flood FEMA #649

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.0 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 increased by 2.0 ppb from 1993 (0.0 ppb) to 2025 (2.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
527
Water Systems
2
Source breakdown
Purchased Groundwater
1
Purchased Surface Water
1
Water Source

Where Tupelo's water comes from

Purchased Groundwater

Tupelo purchases its water supply from a regional wholesale provider rather than treating raw water directly.

Water quality depends on both the wholesaler's treatment standards and the condition of Tupelo's local distribution pipes and storage facilities.

Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.

The system is operated by local government ownership and serves approximately 527 people through 2 water systems.

Infrastructure

Water systems serving Tupelo

System Name PWSID Population Source
TUPELO PWA OK3001506 377 GWP
COAL CO RW&SWMG #6 OK3001502 150 SWP
Regional Comparison

How Tupelo compares

Full Oklahoma rankings →

Tupelo's score of 67.2/100 is above the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.

Tupelo (this city)
67.2
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Tupelo, OK

Economic Profile
$35,208
Median Income
$52,708
Median Home Value
$817/mo
Median Rent
12%
Unemployment
Community
40.1
Median Age
361
People / sq mi
6.2%
College Educated
69.9%
Homeownership
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Frequently asked questions

Is Tupelo, OK tap water safe to drink?

Tupelo's water quality earned a grade of C+ (67.2/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #130 out of 358 cities tested in Oklahoma.

What contaminants are in Tupelo's water?

Lead was measured at 2.0 ppb (90th percentile). 120 violations are on record.

How is Tupelo'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 Tupelo?

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

Where does Tupelo's water come from?

Tupelo's water is sourced from Purchased ground water. The city has 2 water systems serving approximately 527 residents.

What health violations has Tupelo's water system had?

Tupelo has 10 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 25 violations remain unresolved.

Is Tupelo's groundwater at risk of contamination?

Tupelo 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 120 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 Tupelo's water compare to other cities?

Tupelo ranks #130 out of 358 cities in Oklahoma (better than 64% of state cities) and #11270 out of 15744 cities nationally (28th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.