STATE REPORT MS 1 ALERT 1109 HEALTH VIOLATIONS

Mississippi Water: 3.5K Violations — 532 ZIPs

532 ZIP codes · 814 water systems · IPC plumbing code · Updated 2026-06-03

Data: EPA SDWIS, NWS, State plumbing boards, Rewiring America Last verified: 2026-06-03

532
ZIP Codes
814
Water Systems
419
ZIPs with Violations
1
Active Alerts
IPC
Plumbing Code
B · 81
Avg Safety Score
2
ZIPs Exceeding Lead Limit
#3
of 51 States
80%
ZIPs Rated A or B
79%
ZIPs with Violations
B
Mississippi average: 81/100 — ranked #3 of 51 states. 14 points above the national average (67). 80% of ZIP codes scored A or B.

Across Mississippi, most residents receive tap water that meets or exceeds federal safety standards in current EPA monitoring cycles.

Score Distribution

How Mississippi's 532 ZIP codes are distributed across safety grades.

229
A
196
B
95
C
12
D
0
F
85-10070-8455-6940-540-39

Home Safety Scores by State

Loading map…
F (0-49) D (50-64) C (65-74) B (75-84) A (85+)

Data: EPA SDWIS, FEMA NFIP, EPA Radon, USGS Earthquake Hazards, NIFC Wildfire • 2026-06-03

Top 10 Safest ZIP Codes in Mississippi

Highest Home Safety Scores in the state.

#ZIP CodeCityCountyScoreGrade
1 38859 New SitePrentiss 99 A
2 38929 Gore SpringsGrenada 99 A
3 39058 ClintonHinds 99 A
4 39087 HillsboroScott 99 A
5 39427 CarsonJefferson Davis 99 A
6 39767 StewartWebster 99 A
7 38610 Blue MountainTippah 98 A
8 38658 PopePanola 98 A
9 38843 FultonItawamba 98 A
10 38844 GattmanMonroe 98 A

10 Lowest-Scoring ZIP Codes in Mississippi

#ZIP CodeCityCountyScoreGradeViolations
1 39520 Bay Saint LouisHancock 50 D 0
2 39211 JacksonHinds 50 D 33
3 39401 HattiesburgForrest 52 D 6
4 39776 WoodlandChickasaw 53 D 0
5 39754 MontpelierClay 53 D 0
6 39753 MayhewLowndes 53 D 0
7 39741 CedarbluffClay 53 D 0
8 38878 VardamanCalhoun 53 D 9
9 38877 Van VleetChickasaw 53 D 0
10 38875 TreblocChickasaw 53 D 0

County Rankings

Water quality breakdown by county. 82 counties with data in Mississippi.

Loading county map…
F (0-49) D (50-64) C (65-74) B (75-84) A (85+)

County-level aggregation of ZIP code safety scores • EPA SDWIS, FEMA NFIP, EPA Radon, USGS, NIFC

CountyAvg ScoreGradeZIPsBest ZIPWorst ZIP
Lafayette 78 B 6 38673 (97) 38685 (66)
Tate 78 B 4 38668 (94) 38638 (66)
Benton 87 A 4 38642 (95) 38647 (66)
Panola 87 A 7 38658 (98) 38665 (65)
Coahoma 80 B 14 38625 (94) 38626 (65)
Tippah 90 A 5 38610 (98) 38663 (83)
DeSoto 85 A 10 38611 (94) 38641 (66)
Quitman 77 B 9 38622 (94) 38962 (66)
Union 78 B 4 38627 (82) 38652 (70)
Marshall 84 B 6 38634 (97) 38661 (66)
Tunica 72 B 2 38676 (79) 38664 (65)
Bolivar 82 B 20 38733 (94) 38782 (73)
Washington 84 B 10 38760 (94) 38745 (73)
Sharkey 78 B 7 39054 (93) 39177 (60)
Sunflower 88 A 10 38753 (94) 38749 (66)
Humphreys 82 B 6 38754 (93) 39115 (66)
Lee 76 B 10 38802 (82) 38868 (69)
Pontotoc 71 B 8 38820 (82) 38874 (53)
Monroe 80 B 11 38844 (98) 39204 (60)
Prentiss 94 A 5 38859 (99) 38824 (84)
Tishomingo 93 A 6 38827 (97) 38852 (80)
Alcorn 76 B 4 38846 (83) 38834 (67)
Calhoun 76 B 8 38839 (97) 38878 (53)
Itawamba 96 A 3 38843 (98) 38855 (91)
Chickasaw 64 C 6 38850 (81) 39776 (53)
Grenada 80 B 5 38929 (99) 38960 (66)
Carroll 88 A 5 38923 (95) 38943 (73)
Tallahatchie 82 B 10 38927 (94) 38945 (65)
Yalobusha 84 B 6 38948 (98) 38961 (66)
Holmes 86 A 8 39079 (97) 39045 (73)
Montgomery 95 A 3 39747 (98) 38925 (90)
Leflore 82 B 7 38946 (94) 38930 (68)
Yazoo 88 A 5 39179 (98) 39173 (66)
Hinds 69 C 36 39058 (99) 39211 (50)
Rankin 84 B 15 39148 (98) 39073 (65)
Simpson 80 B 7 39082 (93) 39111 (63)
Madison 84 B 8 39130 (93) 39163 (66)
Leake 73 B 3 39051 (79) 39109 (66)
Scott 82 B 10 39087 (99) 39336 (66)
Copiah 86 A 4 39077 (97) 39078 (65)
Attala 86 A 4 39160 (94) 39107 (73)
Jefferson 84 B 4 39668 (93) 39081 (73)
Claiborne 88 A 3 39144 (92) 39150 (83)
Issaquena 77 B 2 39113 (89) 39088 (65)
Choctaw 78 B 7 39735 (94) 39771 (66)
Smith 85 A 3 39168 (94) 39153 (75)
Covington 87 A 3 39428 (89) 39119 (84)
Adams 85 A 5 39122 (95) 39165 (73)
Warren 80 B 6 39182 (94) 39156 (60)
Lincoln 93 A 6 39603 (98) 39601 (84)
Lauderdale 83 B 15 39320 (97) 39326 (66)
Wayne 91 A 4 39322 (94) 39367 (85)
Newton 90 A 4 39327 (98) 39345 (83)
Kemper 87 A 4 39352 (98) 39328 (66)
Jasper 87 A 8 39338 (95) 39366 (66)
Winston 88 A 2 39346 (93) 39339 (82)
Noxubee 79 B 3 39341 (81) 39739 (78)
Neshoba 89 A 2 39365 (95) 39350 (83)
Clarke 83 B 3 39363 (88) 39355 (80)
Forrest 66 C 5 39406 (71) 39401 (52)
Lamar 81 B 4 39475 (89) 39402 (57)
Hancock 73 B 10 39529 (97) 39520 (50)
Jefferson Davis 95 A 3 39427 (99) 39421 (93)
Perry 85 A 4 39425 (87) 39476 (82)
Pearl River 75 B 5 39426 (83) 39466 (68)
Marion 84 B 3 39643 (95) 39483 (77)
Jones 81 B 10 39439 (91) 39436 (66)
Greene 79 B 4 39461 (93) 39456 (65)
George 71 B 1 39452 (71) 39452 (71)
Walthall 81 B 2 39478 (88) 39667 (74)
Harrison 79 B 17 39534 (93) 39532 (69)
Jackson 80 B 14 39566 (94) 39565 (60)
Stone 81 B 2 39577 (88) 39561 (73)
Franklin 84 B 5 39653 (93) 39664 (73)
Wilkinson 79 B 4 39633 (94) 39669 (68)
Pike 85 A 5 39657 (95) 39632 (73)
Amite 78 B 3 39645 (81) 39635 (73)
Lawrence 86 A 5 39663 (95) 39656 (73)
Lowndes 67 C 10 39736 (82) 39753 (53)
Clay 62 C 4 39755 (79) 39754 (53)
Webster 92 A 2 39767 (99) 39744 (84)
Oktibbeha 85 A 5 39769 (93) 39759 (76)

Most Common Contaminants in Mississippi

Contaminant / RuleCategoryZIPs AffectedViolationsHealth Risk
Total Trihalomethanes (TTHM) Disinfection Byproducts 379 1129 Yes
Revised Total Coliform Rule Microbiological 158 281 No
Consumer Confidence Report Rule Reporting 150 232 Yes
Stage 2 DBP Rule Treatment Technique 141 349 Yes
Lead and Copper Rule Treatment Technique 114 216 No
Surface Water Treatment Rule Treatment Technique 83 138 No
Stage 1 DBP Rule Treatment Technique 66 330 Yes
Haloacetic Acids (HAA5) Disinfection Byproducts 65 259 Yes

Overview

We track water quality, weather alerts, plumbing regulations, and energy rebates for 532 ZIP codes across Mississippi, covering 814 community water systems that serve approximately 2,053,227 people.

419 of 532 ZIP codes (79%) have recorded EPA violations. 1109 health-based violations have been documented.

Active Weather Alerts

1 active alert in Mississippi. Severe weather can directly affect tap water quality — flooding, power outages, and infrastructure damage may lead to boil-water advisories.

Alert Severity Areas
Coastal Flood Advisory Minor Lower St. Bernard; Southeast St. Tammany; Eastern Orleans; Lower Plaquemines; Southern Hancock; Southern Harrison; Southern Jackson

View all Mississippi alerts →

Plumbing Regulations

Mississippi follows the International Plumbing Code (2018 edition).

  • Plumbing code: IPC (2018)
  • Homeowner DIY: Licensed plumber required
  • Water heater permit: Required
  • Annual backflow test: Required

Full Mississippi regulations →

Areas with Most Violations

ZIP Code City Safety Score Violations Health-Based System
39150 Port Gibson B 39 2 Town of Port Gibson
39201 Jackson C 33 28 City of Jackson
39202 Jackson C 33 28 City of Jackson
39203 Jackson C 33 28 City of Jackson
39204 Jackson C 33 28 City of Jackson
39205 Jackson C 33 28 City of Jackson
39206 Jackson C 33 28 City of Jackson
39207 Jackson C 33 28 City of Jackson
39209 Jackson C 33 28 City of Jackson
39210 Jackson C 33 28 City of Jackson

Areas with No Violations

ZIP Code City Safety Score System Population
38602 Arkabutla C TOWN OF COLDWATER 1,381
38609 Belen C CITY OF MARKS 2,099
38626 Dundee C TUNICA COUNTY UTILITY DISTRICT 6,690
38628 Falcon C DARLING WATER ASSOCIATION 211
38630 Farrell B CLARKSDALE PUBLIC UTILITIES 14,903
38638 Independence C CITY OF SENATOBIA 8,354
38641 Lake Cormorant C WALLS WATER ASSN- LAKE FOREST 9,298
38647 Michigan City C City of Holly Springs 9,779
38649 Mount Pleasant C SOUTH VICTORIA 143
38661 Red Banks C City of Holly Springs 9,779

Home Safety Score

Average Home Safety Score for Mississippi: B (81/100)

Lead & Copper

  • Average lead level (90th percentile): 0.0022 mg/L (EPA action level: 0.015 mg/L)
  • 2 ZIP codes exceed the EPA lead action level

Radon Risk

  • High risk (Zone 1): 0 ZIP codes (0%)
  • Moderate risk (Zone 2): 49 ZIP codes
  • Low risk (Zone 3): 483 ZIP codes

ZIP Code Reports for Mississippi

Largest Communities

ZIP Code City Population Safety Grade Violations
39213 Jackson 267,936 C 33
39056 Clinton 259,959 A 0
39154 Raymond 257,819 A 3
39209 Jackson 246,381 C 33
39211 Jackson 242,936 D 33
39212 Jackson 230,856 C 33
39201 Jackson 218,596 C 33
39202 Jackson 218,596 C 33
39203 Jackson 218,596 C 33
39204 Jackson 218,596 C 33
39205 Jackson 218,596 C 33
39206 Jackson 218,596 C 33
39207 Jackson 218,596 C 33
39210 Jackson 218,596 C 33
39215 Jackson 218,596 C 33
39216 Jackson 218,596 C 33
39217 Jackson 218,596 C 33
39225 Jackson 218,596 B 33
39235 Jackson 218,596 C 33
39236 Jackson 218,596 C 33

Lowest Safety Scores

ZIP Code City Score Grade Violations
39211 Jackson 50 D 33
39520 Bay Saint Louis 50 D 0
39401 Hattiesburg 52 D 6
38871 Thaxton 53 D 0
38874 Toccopola 53 D 0

Highest Safety Scores

ZIP Code City Score Grade Violations
38859 New Site 99 A 1
38929 Gore Springs 99 A 0
39058 Clinton 99 A 0
39087 Hillsboro 99 A 0
39427 Carson 99 A 0

All 532 ZIP Codes in Mississippi

Data Sources

Updated daily.

Frequently Asked Questions

Is the water safe to drink in Mississippi?

Mississippi has 814 community water systems serving 2,053,227 people across 532 ZIP codes. There are 3,537 recorded violations, including 1109 health-based. 419 of 532 ZIP codes have at least one violation.

What plumbing code does Mississippi follow?

Mississippi follows the IPC plumbing code. A licensed plumber is generally required for plumbing work.

Is lead a concern in Mississippi's drinking water?

2 ZIP codes in Mississippi have lead levels exceeding the EPA action level of 0.015 mg/L.

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