WaterVerge

Is Calera, AL Tap Water Safe to Drink?

Graded A, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

27K residents served 1 water system PWSID: AL0001150
Overall Score
90.1 / 100
Violations
3 active
Last Updated
May 2026
Source
Surface water
#101 of 353 in Alabama Top 15% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
90.1/100
waterverge.com
A 90.1/100

Calera, AL — Water Quality Report

Calera's drinking water received a grade of A (90.1 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 26,982 residents using surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 26 violations on record, including 0 health-based violations. 3 remain unresolved.

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

What to know about Calera's water

Calera ranks #101 out of 353 cities in Alabama for water quality, placing it mid-range 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.

Hexavalent chromium (chromium-6) was detected at 0.18 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

The system has seen 9 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
90.1 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
38.1/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
20/20
A
No PFAS compounds detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Calera, AL water safe to drink?

Concerns Identified

Calera's drinking water has significant quality concerns based on EPA testing data. With a grade of A (90.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 26,982 residents using surface water (rivers, lakes, or reservoirs).

3
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
10 events
Disaster History

Recent water quality updates for Calera

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Calera's water quality assessment. Grade: A (90.1/100).

Disaster
HURRICANE HELENE

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

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Disaster
HURRICANE SALLY

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

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Calera's water system has 26 total violations on record, including 0 health-based violations. 3 remain unresolved. 9 violations were issued in the last 5 years.

OtherMR
Most recent violations:
Oct 2023 Public Notice Open
Mar 2023 TTHM Resolved
Mar 2023 Total Haloacetic Acids (HAA5) Resolved
Dec 2022 TTHM Resolved
Dec 2022 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Shelby County has experienced 10 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.

HURRICANE HELENE
Hurricane FEMA DR-3618
HURRICANE SALLY
Hurricane FEMA DR-3545
HURRICANE NATE
Hurricane FEMA DR-3394

Where does Calera's water come from?

Calera's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 26,982 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Calera residents can do

Install a water filter

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

Calera'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
Safe
6.1 µg/L
EPA MCL: 60 µg/L · 10% of limit
Within LimitUCMR 4 DataHAA6Br: 2.8 µg/LHAA9: 8.7 µg/L
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.18 µg/L
CA MCL (no federal MCL): 10 µg/L · 2% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
29.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 2% of limit
DetectedUCMR 3 Data
1,4-Dioxane
Organic
Detected
0.07 µg/L
EPA Health Advisory: 0.35 µg/L · 20% of limit
DetectedUCMR 3 Data
Manganese
Inorganic
Detected
7.2 µg/L
EPA Secondary MCL: 50 µg/L · 14% of limit
DetectedUCMR 4 Data
Vanadium
Inorganic
Detected
0.40 µg/L
EPA Short-term HA: 21 µg/L · 2% of limit
DetectedUCMR 3 Data
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

26
Total violations
0
Health-based
3
Active / unresolved
Oct 2023
Most recent violation
Compliance Record

Violations & advisories

26 Total
3 Active
0 Health-based
23 Resolved
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
10
Long Term 2 Enhanced Surface Water Treatment Rule
6
Stage 1 Disinfectants and Disinfection Byproducts Rule
6
Public Notice Rule and Revised PN Rule
1
Total Coliform Rule
1
Oct 2023 Active
Public Notice
Other Violation 0
Jan 1995 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Mar 2023 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2023
Mar 2023 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2023
Dec 2022 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Dec 2022 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Sep 2022 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Sep 2022 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jun 2022 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2022
Jun 2022 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2022
May 2017 Resolved
E. COLI
Monitoring & Reporting
Monitoring & Reporting Resolved May 2017
Apr 2017 Resolved
E. COLI
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2017
Mar 2017 Resolved
E. COLI
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2017
Feb 2017 Resolved
E. COLI
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2017
Dec 2016 Resolved
E. COLI
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2016
Oct 2016 Resolved
E. COLI
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2016
Dec 2012 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2013
Dec 2012 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2013
Sep 2012 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Showing 20 of 26 violations
Industrial pollution

Top industrial polluters within 10 miles of Calera

Industrial polluters nearby

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

Total reported releases to surface water: 51 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
LHOIST NA OF ALABAMA LLC-O'NEAL PLANT
Nonmetallic Mineral Product · LHOIST NORTH AMERICA INC
CALERA, AL35040
Lead compounds453.9 mi
MCWANE PLANT & INDUSTRIAL LLC
Fabricated Metals · MCWANE INC
CALERA, AL35040
Manganese31.9 mi
LHOIST NA OF ALABAMA LLC-MONTEVALLO PLANT
Nonmetallic Mineral Product · LHOIST NORTH AMERICA INC
CALERA, AL35040
Nickel compounds24.1 mi
GLIDEWELL SPECIALTIES FOUNDRY CO INC.
Primary Metals · NA
CALERA, AL35040
Lead01.9 mi
MAGNUM PRODUCTS
Chemicals · KCG
ALABASTER, AL35007
5.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Shelby 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)
13.7%
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

10
Declared disasters
Sep 2024
Most recent
Hurricane
Most common type

Shelby County has experienced 10 federally declared disasters since 1975. 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
Oct 2017
HURRICANE NATE
Hurricane FEMA #3394
Sep 2017
HURRICANE IRMA
Hurricane FEMA #3389
Aug 2008
HURRICANE GUSTAV
Hurricane FEMA #3292
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3237

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.0 ppb from 1992 (5.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
26,982
Water Systems
1
Water Source

Where Calera's water comes from

Surface Water

Calera'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 26,982 people through 1 water system.

Infrastructure

Water systems serving Calera

System Name PWSID Population Source
CALERA WATER WORKS AL0001150 26,982 SW
Regional Comparison

How Calera compares

Full Alabama rankings →

Calera's score of 90.1/100 is above the average of 78/100 among major Alabama cities. It outscores 10 of 10 nearby cities.

Calera (this city)
90.1
Birmingham
89.2
Huntsville
69.8
Montgomery
88.7
Mobile
87.9
Tuscaloosa
87.6
Alabama avg
78
City Profile

About Calera, AL

Wikipedia →

Calera is a city in Shelby and Chilton counties in the U.S. state of Alabama. It is the location of the Shelby County Airport.

Economic Profile
$73,775
Median Income
$184,645
Median Home Value
$1,561/mo
Median Rent
1%
Unemployment
Community
33.1
Median Age
265
People / sq mi
36.4%
College Educated
80.1%
Homeownership
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Frequently asked questions

Is Calera, AL tap water safe to drink?

Calera's water quality earned a grade of A (90.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #101 out of 353 cities tested in Alabama.

What contaminants are in Calera's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 26 violations are on record.

How is Calera'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 Calera?

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

Where does Calera's water come from?

Calera's water is sourced from Surface water. The city has 1 water system serving approximately 26,982 residents.

How does Calera's water compare to other cities?

Calera ranks #101 out of 353 cities in Alabama (better than 71% of state cities) and #2391 out of 15744 cities nationally (85th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.