2026 Rankings

Least Reliable Water Systems in Georgia — 2026

Last updated: April 13, 2026

964 ZIP codes ranked by Reliability Score #1: ZIP 30552 (Lakemont, GA) - 10/100

Out of 964 ZIP codes with data in Georgia, these are the lowest-ranked areas for reliability score. See also: National Least Reliable Water Systems in America | All Georgia Rankings

Statistic Value
ZIP codes ranked 964
Lowest value 10/100
Median value 70/100
State Georgia

100 Lowest-Ranked ZIP Codes

Rank ZIP Code City State Reliability Score Safety Score
1 30552 Lakemont GA 10/100 58/100
2 30807 Camak GA 10/100 66/100
3 31059 Milledgeville GA 15/100 66/100
4 31061 Milledgeville GA 15/100 70/100
5 31062 Milledgeville GA 15/100 66/100
6 31076 Reynolds GA 15/100 68/100
7 31601 Valdosta GA 15/100 65/100
8 31602 Valdosta GA 15/100 60/100
9 31603 Valdosta GA 15/100 66/100
10 31604 Valdosta GA 15/100 70/100
11 31605 Valdosta GA 15/100 70/100
12 31606 Valdosta GA 15/100 70/100
13 31636 Lake Park GA 15/100 70/100
14 31648 Statenville GA 15/100 66/100
15 31650 Willacoochee GA 15/100 46/100
16 31698 Valdosta GA 15/100 66/100
17 31779 Pelham GA 15/100 65/100
18 39815 Attapulgus GA 15/100 55/100
19 30673 Washington GA 23/100 79/100
20 31635 Lakeland GA 23/100 79/100
21 30070 Porterdale GA 24/100 62/100
22 30436 Lyons GA 25/100 70/100
23 30633 Danielsville GA 25/100 59/100
24 30809 Evans GA 25/100 77/100
25 30824 Thomson GA 25/100 70/100
26 31632 Hahira GA 25/100 69/100
27 31803 Buena Vista GA 25/100 66/100
28 31560 Screven GA 27/100 96/100
29 31512 Ambrose GA 29/100 97/100
30 30139 Fairmount GA 30/100 86/100
31 30257 Milner GA 30/100 63/100
32 30410 Ailey GA 30/100 84/100
33 30473 Uvalda GA 30/100 72/100
34 30521 Carnesville GA 30/100 72/100
35 30828 Warrenton GA 30/100 69/100
36 31021 Dublin GA 30/100 66/100
37 31040 Dublin GA 30/100 71/100
38 31519 Broxton GA 30/100 72/100
39 31545 Jesup GA 30/100 84/100
40 31546 Jesup GA 30/100 84/100
41 31598 Jesup GA 30/100 88/100
42 31599 Jesup GA 30/100 88/100
43 31642 Pearson GA 30/100 85/100
44 30014 Covington GA 34/100 62/100
45 30015 Covington GA 34/100 67/100
46 30016 Covington GA 34/100 62/100
47 31533 Douglas GA 34/100 88/100
48 31534 Douglas GA 34/100 97/100
49 31535 Douglas GA 34/100 88/100
50 30212 Experiment GA 35/100 68/100
51 30294 Ellenwood GA 35/100 64/100
52 30683 Winterville GA 35/100 61/100
53 31050 Knoxville GA 35/100 87/100
54 31085 Shady Dale GA 35/100 65/100
55 31094 Warthen GA 35/100 86/100
56 31324 Richmond Hill GA 35/100 71/100
57 30815 Hephzibah GA 36/100 75/100
58 31087 Sparta GA 37/100 94/100
59 31316 Ludowici GA 37/100 89/100
60 31816 Manchester GA 37/100 78/100
61 30547 Homer GA 38/100 78/100
62 31321 Pembroke GA 38/100 75/100
63 31827 Talbotton GA 38/100 78/100
64 30179 Temple GA 40/100 77/100
65 30220 Grantville GA 40/100 57/100
66 30230 Hogansville GA 40/100 77/100
67 30258 Molena GA 40/100 72/100
68 30291 Union City GA 40/100 50/100
69 30401 Swainsboro GA 40/100 81/100
70 30557 Martin GA 40/100 77/100
71 30631 Crawfordville GA 40/100 85/100
72 30648 Lexington GA 40/100 71/100
73 30810 Gibson GA 40/100 87/100
74 31641 Naylor GA 40/100 95/100
75 31709 Americus GA 40/100 81/100
76 31719 Americus GA 40/100 81/100
77 31815 Lumpkin GA 40/100 81/100
78 39870 Newton GA 40/100 76/100
79 30474 Vidalia GA 42/100 91/100
80 30475 Vidalia GA 42/100 94/100
81 31064 Monticello GA 42/100 82/100
82 30011 Auburn GA 43/100 79/100
83 31083 Scotland GA 44/100 56/100
84 30293 Woodbury GA 45/100 68/100
85 30301 Atlanta GA 45/100 60/100
86 30302 Atlanta GA 45/100 64/100
87 30303 Atlanta GA 45/100 64/100
88 30304 Atlanta GA 45/100 60/100
89 30305 Atlanta GA 45/100 49/100
90 30306 Atlanta GA 45/100 71/100
91 30307 Atlanta GA 45/100 76/100
92 30308 Atlanta GA 45/100 54/100
93 30309 Atlanta GA 45/100 54/100
94 30310 Atlanta GA 45/100 59/100
95 30311 Atlanta GA 45/100 54/100
96 30312 Atlanta GA 45/100 59/100
97 30313 Atlanta GA 45/100 60/100
98 30314 Atlanta GA 45/100 59/100
99 30315 Atlanta GA 45/100 54/100
100 30316 Atlanta GA 45/100 76/100

Methodology

Water system reliability scores (0-100) combine violation frequency, violation recency, resolution rate, and system size. Systems with repeated health-based violations and unresolved issues score lowest. The reliability score focuses specifically on the water utility performance, distinct from the broader Home Safety Score.

Data sources: EPA Safe Drinking Water Information System (SDWIS), FEMA National Flood Insurance Program, EPA radon zone maps, EIA electricity rates, and Consumer Confidence Reports. Last updated: 2026-04-13.

Frequently Asked Questions

What does a low water reliability score mean?

A low reliability score (below 50) indicates a water system with frequent violations, poor resolution rates, or recurring compliance issues. These systems may have aging infrastructure, inadequate treatment, or management challenges.

How is reliability different from safety score?

The reliability score focuses specifically on the water utility performance (violations, resolution, compliance). The Home Safety Score is broader, also including lead risk, radon, and flood data. A ZIP code can have a reliable water system but still have high radon or flood risk.

Explore More Rankings

How this ranking is calculated, data sources, and limitations: Rankings Methodology →


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Home Safety 2026 Water compliance, PFAS, radon, and annual AQI score inputs PFAS 2026 Forever chemicals detected in drinking water Lead Risk 2026 Lead pipe infrastructure and EPA exceedances
Disclaimer: Rankings are based on EPA, FEMA, and federal agency data. They reflect historical patterns and risk indicators, not necessarily current conditions. For the most current information, contact your local water utility or request a Consumer Confidence Report.

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