Tap Water Quality Report
Tap water quality in JACKSON, Mississippi
Tap water in JACKSON, Mississippi receives a grade of D (61/100) from TapWaterSafety.org. It's served by CITY OF JACKSON. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Arsenic detected. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in JACKSON's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving JACKSON.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 34.8 ppb, 581x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 34.2 ppb, 342x above the EWG health guideline of 0.1 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 42.4 ppb, 283x above the EWG health guideline of 0.15 ppb.
Arsenic detected
Moderate concernArsenic detected at 0.367 ppb.
EPA compliance record
Official U.S. EPA records for CITY OF JACKSON (system ID MS0250008) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Lead and Copper Rule | Required treatment not met | 01/01/2020 | Open |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | Contaminant above the legal limit | 07/01/2024 | 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 JACKSON
Filters matched to the specific contaminants in JACKSON's water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Reverse osmosis certified for arsenic (NSF/ANSI 58)
$429-$599Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.
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 JACKSON'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 →
| 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 |
34.8 ppb | 0.06 | — | — | — | — | — | 581× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
34.2 ppb | 0.1 | 60.0 | 60 | — | — | — | 342× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
42.4 ppb | 0.15 | 80.0 | 100 | — | — | — | 283× over |
| Arsenic Heavy metal |
0.367 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 92× over |
| Radium, combined (-226 and -228) Radiological |
0.23 pCi/L | 0.05 | 5.0 | — | — | — | — | 4.6× over |
| Chromium (hexavalent) Heavy metal |
0.0485 ppb | 0.02 | — | — | — | — | — | 2.4× over |
| Nitrate and nitrite Inorganic |
0.234 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.7× over |
| Nitrate Inorganic |
0.219 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.6× over |
| Chlorate Disinfection byproduct |
15.2 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
7.1 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Barium Heavy metal |
20.3 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Vanadium Other |
0.185 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.0335 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Chromium (total) Heavy metal |
0.0556 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Cyanide Inorganic |
43.3 ppb | — | 200.0 | 50 | 70 | 150 | — | Below guideline |
| Fluoride Inorganic |
0.464 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Germanium Other |
0.154 ppb | — | — | — | — | — | — | Below guideline |
| Nitrite Inorganic |
0.0153 ppm | — | 1.0 | — | — | — | — | 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 CITY OF JACKSON.