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Tap Water Quality Report

Tap water quality in SHREVEPORT, Louisiana

Served by SHREVEPORT WATER SYSTEM. 192,378 residents.

Average score 45/100
Utilities 1
Population 192,378
Quick answer

Tap water in SHREVEPORT, Louisiana receives a grade of F (45/100) from TapWaterSafety.org. It's served by SHREVEPORT WATER SYSTEM. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Arsenic detected. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?

What's in SHREVEPORT's tap water

Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving SHREVEPORT.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 43.7 ppb, 728x above the EWG health guideline of 0.06 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 52.9 ppb, 353x above the EWG health guideline of 0.15 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 24.2 ppb, 242x above the EWG health guideline of 0.1 ppb.

Arsenic detected

Moderate concern

Arsenic detected at 0.4 ppb.

EPA compliance record

Official U.S. EPA records for SHREVEPORT WATER SYSTEM (system ID LA1017031) for the last 3 years. Checked 2026-10-07.

EPA lists this system as a serious violator. It has unresolved violations that EPA considers a priority for enforcement.
12 of 12quarters with a violation
Nolead above EPA action level
07/02/2025last state inspection
RuleTypeSinceStatus
Stage 2 Disinfectants and Disinfection Byproducts Rule Contaminant above the legal limit 04/01/2023 Open
Interim and Long Term 1 Enhanced Surface Water Treatment Rule Required treatment not met 01/01/2024 Open
Surface Water Treatment Rule Required treatment not met 10/01/2024 Open
Stage 2 Disinfectants and Disinfection Byproducts Rule Missed testing or reporting 05/01/2023 Open

Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.

Recommended filters for SHREVEPORT

Filters matched to the specific contaminants in SHREVEPORT's water supply.

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Reverse osmosis certified for arsenic (NSF/ANSI 58)

$429-$599

Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

All contaminants detected in SHREVEPORT's tap water

Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →

🇪🇺
SHREVEPORT's tap water would fail European Union drinking water standards. One or more detected contaminants exceed EU Drinking Water Directive 2020/2184 limits, even though they may be fully legal under US EPA rules. View the standards we compare against →
Contaminant Detected EWG
US health-based
EPA
US legal
EU DWD
Europe
WHO
global
CA PHG
strictest US
Tested
sample year
Status
Haloacetic acids (HAA9)
Disinfection byproduct
43.7 ppb 0.06 — — — — — 728× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
52.9 ppb 0.15 80.0 100 — — — 353× over
Haloacetic acids (HAA5)
Disinfection byproduct
24.2 ppb 0.1 60.0 60 — — — 242× over
Bromodichloromethane
Disinfection byproduct
11.4 ppb 0.06 — — — — — 191× over
Arsenic
Heavy metal
0.4 ppb 0.004 10.0 10 10 0.004 — 100× over
Chloroform
Disinfection byproduct
36.6 ppb 0.4 — — — — — 91× over
Dichloroacetic acid
Disinfection byproduct
17.4 ppb 0.2 — — — — — 87× over
Dibromoacetic acid
Disinfection byproduct
1.6 ppb 0.03 — — — — — 53× over
Dibromochloromethane
Disinfection byproduct
4.39 ppb 0.1 — — — — — 44× over
Trichloroacetic acid
Disinfection byproduct
3.72 ppb 0.1 — — — — — 37× over
Chromium (hexavalent)
Heavy metal
0.134 ppb 0.02 — — — — — 6.7× over
Chlorate
Disinfection byproduct
671.3 ppb 210.0 — — — — — 3.2× over
Aluminum
Heavy metal
577.5 ppb 600.0 — 200 — 600 — Fails EU
Nitrate and nitrite
Inorganic
0.133 ppm 0.14 10.0 11.3 11.3 10 — Below guideline
Bromoform
Disinfection byproduct
0.45 ppb 0.5 — — — — — Below guideline
Atrazine
Pesticide/Herbicide
0.0277 ppb 0.1 3.0 0.1 100 0.15 — Below guideline
Vanadium
Other
1.25 ppb 21.0 — — — — — Below guideline
Manganese
Heavy metal
3.24 ppb 100.0 — 50 80 — — Below guideline
Monochloroacetic acid
Disinfection byproduct
1.5 ppb 53.0 — — — — — Below guideline
Perfluorobutanoic Acid (PFBA)
PFAS
4.83 ppt 1000.0 — — — — — Below guideline
Hexachlorocyclopentadiene
Other
0.008 ppb 2.0 50.0 — — — — Below guideline
Strontium
Radiological
0.18 ppb 1500.0 — — — — — Below guideline
Fluoride
Inorganic
0.933 ppm — 4.0 1.5 1.5 — — Below guideline

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.

Treatment plant contact info

For service issues, water quality concerns, or to request a Consumer Confidence Report from SHREVEPORT WATER SYSTEM.

Treatment Plant

FacilityAMISS TREATMENT PLANT