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WaterVerge

Water quality report · updated Jul 2026

Is Leighton, AL 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 ↓

0 contaminants over a legal limit
0.0 ppb lead, 90th percentile · low
9 unresolved violations
2K people served by 2 water systems

PWSID AL0000318 · moderate data confidence · local government utility

Reviewed by WaterVerge Editorial Team · Last updated July 2026
B 75 / 100

#295 of 351Alabama cities
How we grade →

01The verdict: is Leighton water safe?

Leighton's drinking water has significant quality concerns based on EPA testing data. With a grade of B (75/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,445 residents using groundwater (wells).

The concern

9 unresolved violations on record

EPA records show open compliance items for this system. Most are administrative, but unresolved items are worth watching.

See what was cited ↓
The good news

Lead is well under the limit

90th-percentile lead is 0.0 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.

See the trend ↓
Keep watching

9 violations in the last five years

Recent compliance history is the best predictor of future problems — the year-by-year record is below.

See the record ↓

Leighton's drinking water received a grade of B (75 out of 100), indicating good water quality. The city's 2 water systems serve approximately 2,445 residents using purchased ground 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 41 violations on record, including 3 health-based violations. 9 remain unresolved.

Leighton ranks #295 out of 351 cities in Alabama for water quality, placing it among the lowest-rated in the state. Leighton 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, Leighton may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities. The system has seen 9 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

How the 75/100 breaks down Methodology →
ViolationsHistorical violation record including health-based and monitoring violations.
28 / 45C
Lead & CopperLead at 0.0 ppb (90th percentile).
20 / 20A
ContaminantsPFAS + legacy contaminant analysis.
17 / 20B
ComplianceMonitoring and reporting compliance with EPA regulations.
5 / 10D
Source RiskWater source: Purchased ground water.
5 / 5A

02What's in Leighton's water

Every contaminant flagged in Leighton, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.

1 detection · sorted by % of legal limit
Over the limit Elevated — watch Within limits
0 50% LEGAL LIMIT 150%
1 contaminant tested under EPA SDWIS, LCR and UCMR programs · 1 detected · not yet tested for PFAS under UCMR 5

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.

03Leighton's ten-year track record

Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 41 violations on record, including 3 health-based violations. 9 remain unresolved.

5 of the last ten years were clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.

2 health-based in 10 yrs 21 monitoring & paperwork 6 still unresolved
UpdateWater quality data updatedLatest EPA compliance and testing data incorporated into Leighton's water quality assessment. Grade: B (75/100).
Violation2 drinking water violations recordedContaminants: Revised Total Coliform Rule.Open
Violation2 drinking water violations recorded1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.Open
DisasterHURRICANE HELENEFederal disaster declaration (FEMA DR-3618). Hurricane event — may have impacted local water infrastructure.
Violation1 drinking water violation recorded1 health-based. Contaminants: Revised Total Coliform Rule.Open
DisasterHURRICANE SALLYFederal disaster declaration (FEMA DR-3545). Hurricane event — may have impacted local water infrastructure.
Lead, 90th percentileppb · lower is better
05101520EPA action level · 15 ppb1993 — 5 ppb1994 — 5 ppb1995 — 4 ppb1996 — 5 ppb1999 — 3 ppb2002 — 3 ppb2003 — 4.0 ppb2005 — 5 ppb2006 — 5 ppb2008 — 6 ppb2009 — 1.2 ppb2011 — 2.0 ppb2012 — 1 ppb2014 — 1 ppb2015 — 5 ppb2017 — 0.50 ppb2018 — 0 ppb2020 — 0 ppb2021 — 0 ppb2023 — 0 ppb2024 — 0 ppb5019932002200920172024

Down 5 ppb since 1993. Latest reading: 0 ppb (2024) — 0% of the action level. Sampled at higher-risk homes (90th percentile).

04Where Leighton's water comes from

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

Source

Purchased Groundwater

Water is bought from a regional wholesaler; quality starts at the supplier's intake and treatment.

Treatment

Wholesale supplier

Primary treatment happens at the wholesaler; the local utility maintains disinfectant residual in its pipes.

Distribution

2 systems

2 water systems, operated under local government ownership.

Delivery

2,445 people

Residents served across Leighton's service area.

Water quality depends on both the wholesaler's treatment standards and the condition of Leighton'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 2,445 people through 2 water systems.

System namePWSIDPopulationSource
LAGRANGE MOUNTAIN WATER AUTHORITY AL0000318 1,242 Purchased Groundwater
LEIGHTON, WSB OF THE TOWN OF AL0000319 1,203 Groundwater

Water bodies near Leighton

Tennessee River · river

These water bodies shape the regional watershed and can indirectly affect groundwater quality.

05Pressure on Leighton's watershed

Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.

Industrial discharge

Present — monitored

5 facilities within 10 miles reported 550 lb released to surface water in the latest EPA Toxics Release Inventory. Proximity doesn't equal tap contamination — treatment and hydrology decide — but it's pressure on the watershed.

WISE ALLOYS-ALABAMA RECLAMATION PLANT — ammonia 534 lb · 7.3 mi
FLEXCO CORP — zinc compounds 12 lb · 9.2 mi
U.S. TVA MUSCLE SHOALS — lead 4 lb · 7.8 mi
+ 2 more facilities

Flood & storm history

Recurring — declared disasters

8 federal disaster declarations on record for Colbert County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.

HURRICANE HELENE Sep 2024 · DR-3618
HURRICANE SALLY Sep 2020 · DR-3545
HURRICANE IRMA Sep 2017 · DR-3389

Drought

D1 — moderate drought

Colbert County is in D1 (moderate drought) per the U.S. Drought Monitor (week of Jul 2026). Drought can raise disinfection-byproduct levels and taste/odor issues as utilities draw from lower reservoirs.

Weeks at D2+ in the last 5 years7 wks
Months in D2+ over the last 30 years12.5%

06How Leighton compares

Scores for nearby Alabama cities on one line, with the average marked.

Birmingham
89.2 · A-
Montgomery
88.7 · A-
Mobile
87.9 · A-
Tuscaloosa
87.6 · A-
Leighton (this city)
75 · B
Huntsville
69.8 · C+

dashed line = Alabama average (78/100)

Leighton scores 75/100on par with the Alabama average of 78/100. It outscores 3 of 10 nearby cities. Full Alabama rankings →

Colbert water quality rankings
Compare all cities in the county — grades, violations, and contaminant data side by side.

07What to do at home

Steps matched to what testing actually found in Leighton's water — not generic advice.

Extra protection

A basic carbon filter still helps

Leighton's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.

Compare tested filters →
Know your report

Read your utility's annual report

Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.

How to read a CCR →
Stay informed

Watch for Leighton alerts

This area has a history of flood declarations — after severe weather, watch for boil-water advisories from the utility, and check the live alerts on this page.

All water alerts →

Frequently asked questions

Is Leighton, AL tap water safe to drink?

Leighton's water quality earned a grade of B (75/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #295 out of 351 cities tested in Alabama.

What contaminants are in Leighton's water?

Lead was measured at 0.0 ppb (90th percentile). 41 violations are on record.

How is Leighton'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 Leighton?

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

Where does Leighton's water come from?

Leighton's water is sourced from Purchased ground water. The city has 2 water systems serving approximately 2,445 residents.

What health violations has Leighton's water system had?

Leighton has 3 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 9 violations remain unresolved.

Is Leighton's groundwater at risk of contamination?

Leighton 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 41 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 Leighton's water compare to other cities?

Leighton ranks #295 out of 351 cities in Alabama (better than 16% of state cities) and #9584 out of 15382 cities nationally (38th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

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About Leighton, AL: Leighton is a town in Colbert County, Alabama, United States. It is part of the Florence - Muscle Shoals Metropolitan Statistical Area known as "The Shoals". At the 2020 census, the population was 665. Leighton has been hit by several tornadoes in the 2000s, including a damaging EF2 on May 8, 2008, that was caught on tape flipping over many cars and damaging buildings. Median household income $29,792 · median home value $97,800 · median age 45.3 · 62.2% homeowners · 11.7% college educated. Wikipedia → Service area: 1 ZIP code across Colbert.
Show ZIP codes 35646
Sources: EPA SDWIS & ECHO · UCMR 3–5 · Lead & Copper Rule samples · EPA TRI · U.S. Drought Monitor · FEMA declarations. Data last updated Jul 2026. Analysis by the WaterVerge Editorial Team · methodology.