WaterVerge

Is Trinity, AL Tap Water Safe to Drink?

Graded A+ with no contaminants above EPA limits. Here's everything we tested and how Trinity ranks. What to do next ↓

3K residents served 1 water system PWSID: AL0001091
Overall Score
95.9 / 100
Violations
None active
Last Updated
May 2026
Source
Purchased surface water
#18 of 353 in Alabama Top 2% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A+GRADE
Water Quality Grade
95.9/100
waterverge.com
A+ 95.9/100

Trinity, AL — Water Quality Report

Trinity's drinking water received a grade of A+ (95.9 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 2,844 residents using purchased 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 2 violations on record, including 0 health-based violations. All violations have been resolved.

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

What to know about Trinity's water

Trinity ranks #18 out of 353 cities in Alabama for water quality, placing it one of the best 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.

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

Quality Breakdown

Water quality score

See methodology →
95.9 out of 100 Grade A+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.9/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Trinity, AL water safe to drink?

Generally Safe

Based on EPA testing data, Trinity's tap water is generally safe to drink. The water system earned a grade of A+ (95.9/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 2,844 residents using surface water (rivers, lakes, or reservoirs).

None
Violations
0.0 ppb
Lead (90th %ile)
8 events
Disaster History

Recent water quality updates for Trinity

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Trinity's water quality assessment. Grade: A+ (95.9/100).

Disaster
HURRICANE HELENE

Federal disaster declaration (FEMA DR-3618). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE SALLY

Federal disaster declaration (FEMA DR-3545). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Trinity's water system has 2 total violations on record, including 0 health-based violations. All violations have been resolved.

MR
Most recent violations:
May 2007 Coliform (TCR) Resolved
Oct 2006 Coliform (TCR) Resolved

Flood & environmental risk

Morgan County has experienced 8 federally declared disasters since 1977. 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 Flint Creek.

HURRICANE HELENE
Hurricane FEMA DR-3618
HURRICANE SALLY
Hurricane FEMA DR-3545
HURRICANE IRMA
Hurricane FEMA DR-3389

Where does Trinity's water come from?

Trinity's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,844 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Flint Creek (river).

What Trinity residents can do

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

Trinity'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
Compliance Record

Violation summary

2
Total violations
0
Health-based
0
Active / unresolved
May 2007
Most recent violation
Compliance Record

Violations & advisories

2 Total
0 Active
0 Health-based
2 Resolved
May 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 2007
Oct 2006 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2006
Industrial pollution

Top industrial polluters within 10 miles of Trinity

Industrial polluters nearby

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

Total reported releases to surface water: 1,200,374 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC-DECATUR PLANT
Chemicals · ASCEND PERFORMANCE MATERIALS HOLDINGS INC
DECATUR, AL35601
Nitrate compounds (water dissociable; reportable only when in aqueous solution)812,6504.1 mi
INDORAMA VENTURES
Chemicals · INDORAMA VENTURES USA HOLDINGS LP
DECATUR, AL35601
Nitrate compounds (water dissociable; reportable only when in aqueous solution)362,2983.4 mi
3M CHEMICAL OPERATIONS' DECATUR FACILITY
Chemicals · 3M CO
DECATUR, AL35601
Ethylene glycol19,7893.9 mi
DAIKIN AMERICA INC
Chemicals · DAIKIN AMERICA INC
DECATUR, AL35601
Methanol5,0553.3 mi
CARPENTER TECHNOLOGY CORP
Fabricated Metals · CARPENTER TECHNOLOGY CORP
TANNER, AL35671
Copper5828.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Morgan 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.

4
Weeks at D2+ (current streak)
11.6%
Months in D2+ (last 30y)
4
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

8
Declared disasters
Sep 2024
Most recent
Hurricane
Most common type

Morgan County has experienced 8 federally declared disasters since 1977. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2024
HURRICANE HELENE
Hurricane FEMA #3618
Sep 2020
HURRICANE SALLY
Hurricane FEMA #3545
Sep 2017
HURRICANE IRMA
Hurricane FEMA #3389
Aug 2008
HURRICANE GUSTAV
Hurricane FEMA #3292
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3237
Sep 2004
HURRICANE IVAN
Hurricane FEMA #1549

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 3.0 ppb from 1993 (3.0 ppb) to 2023 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
2,844
Water Systems
1
Water Source

Where Trinity's water comes from

Purchased Surface Water

Trinity'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 2,844 people through 1 water system.

Local Hydrology

Water bodies near Trinity

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

Flint Creek
river
Infrastructure

Water systems serving Trinity

System Name PWSID Population Source
TRINITY WATER WORKS SYSTEM AL0001091 2,844 SWP
Regional Comparison

How Trinity compares

Full Alabama rankings →

Trinity's score of 95.9/100 is above the average of 78/100 among major Alabama cities. It outscores 10 of 10 nearby cities.

Trinity (this city)
95.9
Birmingham
89.2
Huntsville
69.8
Montgomery
88.7
Mobile
87.9
Tuscaloosa
87.6
Alabama avg
78
City Profile

About Trinity, AL

Wikipedia →

Trinity is a town in Morgan County, Alabama, United States. It is included in the Decatur Metropolitan Area and the Huntsville-Decatur Combined Statistical Area. As of the 2020 census, the population of the town was 2,526, up from 2,095 in 2010. It was incorporated in 1901.

Economic Profile
$94,706
Median Income
$206,492
Median Home Value
2.4%
Unemployment
Community
38.1
Median Age
194
People / sq mi
15.6%
College Educated
90%
Homeownership
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Frequently asked questions

Is Trinity, AL tap water safe to drink?

Trinity's water quality earned a grade of A+ (95.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #18 out of 353 cities tested in Alabama.

What contaminants are in Trinity's water?

Lead was measured at 0.0 ppb (90th percentile). 2 violations are on record.

How is Trinity'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 Trinity?

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

Where does Trinity's water come from?

Trinity's water is sourced from Purchased surface water. The city has 1 water system serving approximately 2,844 residents.

How does Trinity's water compare to other cities?

Trinity ranks #18 out of 353 cities in Alabama (better than 95% of state cities) and #252 out of 15744 cities nationally (98th percentile). The grade of A+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Trinity's small water system affect quality?

Trinity's system serves approximately 2,844 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 2 violations on record.