WaterVerge

Is Atwood, TN Tap Water Safe to Drink?

Graded B+, with 9 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 2 water systems PWSID: TN0000035
Overall Score
83.3 / 100
Violations
9 active
Last Updated
May 2026
Source
Groundwater
#197 of 299 in Tennessee Top 41% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
83.3/100
waterverge.com
B+ 83.3/100

Atwood, TN — Water Quality Report

Atwood's drinking water received a grade of B+ (83.3 out of 100), indicating good water quality. The city's 2 water systems serve approximately 1,372 residents using groundwater.

Lead levels were measured at 0.6 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 31 violations on record, including 2 health-based violations. 9 remain unresolved.

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

What to know about Atwood's water

Atwood ranks #197 out of 299 cities in Tennessee for water quality, placing it below average in the state.

Atwood 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.

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

The system has seen 10 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
83.3 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.3/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.6 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: Groundwater.
Water Safety

Is Atwood, TN water safe to drink?

Concerns Identified

Atwood's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (83.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,372 residents using groundwater (wells).

9
Active Violations
0.6 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Atwood

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Atwood's water quality assessment. Grade: B+ (83.3/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
3 drinking water violations recorded

Contaminants: Chlorine, Consumer Confidence Rule, Revised Total Coliform Rule.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3217). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-459). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 0.6 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Atwood's water system has 31 total violations on record, including 2 health-based violations. 9 remain unresolved. 10 violations were issued in the last 5 years.

OtherMRMONMCL
Most recent violations:
Jul 2022 Consumer Confidence Rule Open
Nov 2021 Public Notice Open
Oct 2021 Chlorine Resolved
Oct 2021 Consumer Confidence Rule Open
Oct 2021 Revised Total Coliform Rule Resolved

Flood & environmental risk

Carroll County has experienced 2 federally declared disasters since 1975. 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 South Fork Obion River.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3217
SEVERE STORMS & FLOODING
Flood FEMA DR-459

Where does Atwood's water come from?

Atwood's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 1,372 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include South Fork Obion River (river).

What Atwood residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Atwood'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
0.6 ppb
EPA Action Level: 15 ppb · 4% of limit
Safe Level
Compliance Record

Violation summary

31
Total violations
2
Health-based
9
Active / unresolved
Jul 2022
Most recent violation
Compliance Record

Violations & advisories

31 Total
9 Active
2 Health-based
22 Resolved
2 SNC
Violations by category
Total Coliform Rule
8
Consumer Confidence Rule
6
Stage 1 Disinfectants and Disinfection Byproducts Rule
5
Stage 2 Disinfectants and Disinfection Byproducts Rule
4
Revised Total Coliform Rule
3
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Nov 2021 Active
Public Notice
Other Violation 0
Oct 2021 Active
Consumer Confidence Rule
Other Violation 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Nov 2019 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Oct 2021 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Oct 2021 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Oct 2021
Aug 2021 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Aug 2021
Jul 2021 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2021
Jul 2020 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2020
Jul 2020 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2020
Sep 2019 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Sep 2019
Jul 2019 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2019
Jul 2004 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2004
Showing 20 of 31 violations
Industrial pollution

Top industrial polluters within 10 miles of Atwood

Industrial polluters nearby

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

Total reported releases to surface water: 0 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
CECO DOOR PRODUCTS
Fabricated Metals · ASSA ABLOY INC
MILAN, TN38358
Zinc compounds07.6 mi
US ARMY NATIONAL GUARD MILAN RANGE(S)
Other · US DEPARTMENT OF DEFENSE
LAVINIA, TN38348
8.1 mi
HIXSON LUMBER CO LLC
Wood Products · HIXSON LUMBER CO LLC
MILAN, TN38358
6.9 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Atwood

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Drought conditions

D3 — extreme drought

Carroll 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.

6
Weeks at D2+ (current streak)
8.0%
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

2
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Carroll County has experienced 2 federally declared disasters since 1975. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3217
Mar 1975
SEVERE STORMS & FLOODING
Flood FEMA #459

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.6 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 1.2 ppb from 1993 (3.0 ppb) to 2025 (4.2 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,372
Water Systems
2
Water Source

Where Atwood's water comes from

Groundwater

Atwood'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 1,372 people through 2 water systems.

Local Hydrology

Water bodies near Atwood

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

South Fork Obion River
river
Infrastructure

Water systems serving Atwood

System Name PWSID Population Source
ATWOOD WATER SYSTEM TN0000035 1,311 GW
COUNTY LINE TRAILER PARK TN0008132 61 GW
Regional Comparison

How Atwood compares

Full Tennessee rankings →

Atwood's score of 83.3/100 is above the average of 75/100 among major Tennessee cities. It outscores 7 of 10 nearby cities.

Atwood (this city)
83.3
Memphis
66.2
Tennessee avg
75
City Profile

About Atwood, TN

Economic Profile
$34,926
Median Income
$74,404
Median Home Value
$724/mo
Median Rent
12.7%
Unemployment
Community
30.1
Median Age
274
People / sq mi
9.5%
College Educated
81.4%
Homeownership
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Frequently asked questions

Is Atwood, TN tap water safe to drink?

Atwood's water quality earned a grade of B+ (83.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #197 out of 299 cities tested in Tennessee.

What contaminants are in Atwood's water?

Lead was measured at 0.6 ppb (90th percentile). 31 violations are on record.

How is Atwood'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 Atwood?

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

Where does Atwood's water come from?

Atwood's water is sourced from Groundwater. The city has 2 water systems serving approximately 1,372 residents.

What health violations has Atwood's water system had?

Atwood has 2 health-based violations on record. The most recent violation was recorded in July 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 9 violations remain unresolved.

Is Atwood's groundwater at risk of contamination?

Atwood 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 31 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 Atwood's water compare to other cities?

Atwood ranks #197 out of 299 cities in Tennessee (better than 34% of state cities) and #6499 out of 15744 cities nationally (59th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.