Neighborhood Report
Grade A
Houston, TX Neighborhood Water Quality — Grade A
190 ZIP codes · 190 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Houston, TX. We analyzed 190 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade A (87/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 94 | 49% |
| B | 96 | 51% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Houston ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 77097 | 98 | A | 1 | 0.0040 mg/L |
| 2 | 77201 | 98 | A | 1 | 0.0040 mg/L |
| 3 | 77202 | 98 | A | 1 | 0.0040 mg/L |
| 4 | 77203 | 98 | A | 1 | 0.0040 mg/L |
| 5 | 77204 | 98 | A | 1 | 0.0040 mg/L |
| 6 | 77209 | 98 | A | 1 | 0.0040 mg/L |
| 7 | 77212 | 98 | A | 1 | 0.0040 mg/L |
| 8 | 77215 | 98 | A | 1 | 0.0040 mg/L |
| 9 | 77216 | 98 | A | 1 | 0.0040 mg/L |
| 10 | 77217 | 98 | A | 1 | 0.0040 mg/L |
| 11 | 77218 | 98 | A | 1 | 0.0040 mg/L |
| 12 | 77219 | 98 | A | 1 | 0.0040 mg/L |
| 13 | 77222 | 98 | A | 1 | 0.0040 mg/L |
| 14 | 77223 | 98 | A | 1 | 0.0040 mg/L |
| 15 | 77226 | 98 | A | 1 | 0.0040 mg/L |
| 16 | 77230 | 98 | A | 1 | 0.0040 mg/L |
| 17 | 77231 | 98 | A | 1 | 0.0040 mg/L |
| 18 | 77241 | 98 | A | 1 | 0.0040 mg/L |
| 19 | 77243 | 98 | A | 1 | 0.0040 mg/L |
| 20 | 77246 | 98 | A | 1 | 0.0040 mg/L |
| 21 | 77247 | 98 | A | 1 | 0.0040 mg/L |
| 22 | 77248 | 98 | A | 1 | 0.0040 mg/L |
| 23 | 77249 | 98 | A | 1 | 0.0040 mg/L |
| 24 | 77250 | 98 | A | 1 | 0.0040 mg/L |
| 25 | 77254 | 98 | A | 1 | 0.0040 mg/L |
| 26 | 77259 | 98 | A | 1 | 0.0040 mg/L |
| 27 | 77260 | 98 | A | 1 | 0.0040 mg/L |
| 28 | 77263 | 98 | A | 1 | 0.0040 mg/L |
| 29 | 77268 | 98 | A | 1 | 0.0040 mg/L |
| 30 | 77269 | 98 | A | 1 | 0.0040 mg/L |
| 31 | 77271 | 98 | A | 1 | 0.0040 mg/L |
| 32 | 77273 | 98 | A | 1 | 0.0040 mg/L |
| 33 | 77274 | 98 | A | 1 | 0.0040 mg/L |
| 34 | 77275 | 98 | A | 1 | 0.0040 mg/L |
| 35 | 77276 | 98 | A | 1 | 0.0040 mg/L |
| 36 | 77277 | 98 | A | 1 | 0.0040 mg/L |
| 37 | 77278 | 98 | A | 1 | 0.0040 mg/L |
| 38 | 77280 | 98 | A | 1 | 0.0040 mg/L |
| 39 | 77282 | 98 | A | 1 | 0.0040 mg/L |
| 40 | 77284 | 98 | A | 1 | 0.0040 mg/L |
| 41 | 77285 | 98 | A | 1 | 0.0040 mg/L |
| 42 | 77286 | 98 | A | 1 | 0.0040 mg/L |
| 43 | 77288 | 98 | A | 1 | 0.0040 mg/L |
| 44 | 77289 | 98 | A | 1 | 0.0040 mg/L |
| 45 | 77290 | 98 | A | 1 | 0.0040 mg/L |
| 46 | 77291 | 98 | A | 1 | 0.0040 mg/L |
| 47 | 77292 | 98 | A | 1 | 0.0040 mg/L |
| 48 | 77293 | 98 | A | 1 | 0.0040 mg/L |
| 49 | 77294 | 98 | A | 1 | 0.0040 mg/L |
| 50 | 77296 | 98 | A | 1 | 0.0040 mg/L |
| 51 | 77297 | 98 | A | 1 | 0.0040 mg/L |
| 52 | 77298 | 98 | A | 1 | 0.0040 mg/L |
| 53 | 77299 | 98 | A | 1 | 0.0040 mg/L |
| 54 | 77010 | 94 | A | 1 | 0.0040 mg/L |
| 55 | 77206 | 94 | A | 1 | 0.0040 mg/L |
| 56 | 77207 | 94 | A | 1 | 0.0040 mg/L |
| 57 | 77208 | 94 | A | 1 | 0.0040 mg/L |
| 58 | 77213 | 94 | A | 1 | 0.0040 mg/L |
| 59 | 77220 | 94 | A | 1 | 0.0040 mg/L |
| 60 | 77221 | 94 | A | 1 | 0.0040 mg/L |
| 61 | 77224 | 94 | A | 1 | 0.0040 mg/L |
| 62 | 77225 | 94 | A | 1 | 0.0040 mg/L |
| 63 | 77228 | 94 | A | 1 | 0.0040 mg/L |
| 64 | 77229 | 94 | A | 1 | 0.0040 mg/L |
| 65 | 77233 | 94 | A | 1 | 0.0040 mg/L |
| 66 | 77235 | 94 | A | 1 | 0.0040 mg/L |
| 67 | 77236 | 94 | A | 1 | 0.0040 mg/L |
| 68 | 77237 | 94 | A | 1 | 0.0040 mg/L |
| 69 | 77238 | 94 | A | 1 | 0.0040 mg/L |
| 70 | 77240 | 94 | A | 1 | 0.0040 mg/L |
| 71 | 77242 | 94 | A | 1 | 0.0040 mg/L |
| 72 | 77244 | 94 | A | 1 | 0.0040 mg/L |
| 73 | 77245 | 94 | A | 1 | 0.0040 mg/L |
| 74 | 77251 | 94 | A | 1 | 0.0040 mg/L |
| 75 | 77253 | 94 | A | 1 | 0.0040 mg/L |
| 76 | 77255 | 94 | A | 1 | 0.0040 mg/L |
| 77 | 77256 | 94 | A | 1 | 0.0040 mg/L |
| 78 | 77257 | 94 | A | 1 | 0.0040 mg/L |
| 79 | 77258 | 94 | A | 1 | 0.0040 mg/L |
| 80 | 77261 | 94 | A | 1 | 0.0040 mg/L |
| 81 | 77265 | 94 | A | 1 | 0.0040 mg/L |
| 82 | 77266 | 94 | A | 1 | 0.0040 mg/L |
| 83 | 77267 | 94 | A | 1 | 0.0040 mg/L |
| 84 | 77270 | 94 | A | 1 | 0.0040 mg/L |
| 85 | 77272 | 94 | A | 1 | 0.0040 mg/L |
| 86 | 77279 | 94 | A | 1 | 0.0040 mg/L |
| 87 | 77287 | 94 | A | 1 | 0.0040 mg/L |
| 88 | 77001 | 89 | A | 1 | 0.0040 mg/L |
| 89 | 77046 | 89 | A | 1 | 0.0040 mg/L |
| 90 | 77210 | 89 | A | 1 | 0.0040 mg/L |
| 91 | 77227 | 89 | A | 1 | 0.0040 mg/L |
| 92 | 77234 | 89 | A | 1 | 0.0040 mg/L |
| 93 | 77252 | 89 | A | 1 | 0.0040 mg/L |
| 94 | 77262 | 89 | A | 1 | 0.0040 mg/L |
| 95 | 77003 | 84 | B | 1 | 0.0040 mg/L |
| 96 | 77011 | 84 | B | 1 | 0.0040 mg/L |
| 97 | 77012 | 84 | B | 1 | 0.0040 mg/L |
| 98 | 77014 | 84 | B | 1 | 0.0040 mg/L |
| 99 | 77020 | 84 | B | 1 | 0.0040 mg/L |
| 100 | 77052 | 84 | B | 1 | 0.0040 mg/L |
| 101 | 77054 | 84 | B | 1 | 0.0040 mg/L |
| 102 | 77085 | 84 | B | 1 | 0.0040 mg/L |
| 103 | 77094 | 84 | B | 1 | 0.0040 mg/L |
| 104 | 77205 | 84 | B | 1 | 0.0040 mg/L |
| 105 | 77002 | 79 | B | 1 | 0.0040 mg/L |
| 106 | 77004 | 79 | B | 1 | 0.0040 mg/L |
| 107 | 77005 | 79 | B | 1 | 0.0040 mg/L |
| 108 | 77006 | 79 | B | 1 | 0.0040 mg/L |
| 109 | 77007 | 79 | B | 1 | 0.0040 mg/L |
| 110 | 77009 | 79 | B | 1 | 0.0040 mg/L |
| 111 | 77017 | 79 | B | 1 | 0.0040 mg/L |
| 112 | 77019 | 79 | B | 1 | 0.0040 mg/L |
| 113 | 77021 | 79 | B | 1 | 0.0040 mg/L |
| 114 | 77023 | 79 | B | 1 | 0.0040 mg/L |
| 115 | 77027 | 79 | B | 1 | 0.0040 mg/L |
| 116 | 77029 | 79 | B | 1 | 0.0040 mg/L |
| 117 | 77030 | 79 | B | 1 | 0.0040 mg/L |
| 118 | 77031 | 79 | B | 1 | 0.0040 mg/L |
| 119 | 77033 | 79 | B | 1 | 0.0040 mg/L |
| 120 | 77036 | 79 | B | 1 | 0.0040 mg/L |
| 121 | 77041 | 79 | B | 1 | 0.0040 mg/L |
| 122 | 77043 | 79 | B | 1 | 0.0040 mg/L |
| 123 | 77047 | 79 | B | 1 | 0.0040 mg/L |
| 124 | 77048 | 79 | B | 1 | 0.0040 mg/L |
| 125 | 77050 | 79 | B | 1 | 0.0040 mg/L |
| 126 | 77051 | 79 | B | 1 | 0.0040 mg/L |
| 127 | 77053 | 79 | B | 1 | 0.0040 mg/L |
| 128 | 77055 | 79 | B | 1 | 0.0040 mg/L |
| 129 | 77056 | 79 | B | 1 | 0.0040 mg/L |
| 130 | 77057 | 79 | B | 1 | 0.0040 mg/L |
| 131 | 77059 | 79 | B | 1 | 0.0040 mg/L |
| 132 | 77061 | 79 | B | 1 | 0.0040 mg/L |
| 133 | 77063 | 79 | B | 1 | 0.0040 mg/L |
| 134 | 77064 | 79 | B | 1 | 0.0040 mg/L |
| 135 | 77065 | 79 | B | 1 | 0.0040 mg/L |
| 136 | 77067 | 79 | B | 1 | 0.0040 mg/L |
| 137 | 77068 | 79 | B | 1 | 0.0040 mg/L |
| 138 | 77069 | 79 | B | 1 | 0.0040 mg/L |
| 139 | 77071 | 79 | B | 1 | 0.0040 mg/L |
| 140 | 77073 | 79 | B | 1 | 0.0040 mg/L |
| 141 | 77078 | 79 | B | 1 | 0.0040 mg/L |
| 142 | 77081 | 79 | B | 1 | 0.0040 mg/L |
| 143 | 77083 | 79 | B | 1 | 0.0040 mg/L |
| 144 | 77086 | 79 | B | 1 | 0.0040 mg/L |
| 145 | 77091 | 79 | B | 1 | 0.0040 mg/L |
| 146 | 77092 | 79 | B | 1 | 0.0040 mg/L |
| 147 | 77095 | 79 | B | 1 | 0.0040 mg/L |
| 148 | 77098 | 79 | B | 1 | 0.0040 mg/L |
| 149 | 77008 | 74 | B | 1 | 0.0040 mg/L |
| 150 | 77013 | 74 | B | 1 | 0.0040 mg/L |
| 151 | 77015 | 74 | B | 1 | 0.0040 mg/L |
| 152 | 77016 | 74 | B | 1 | 0.0040 mg/L |
| 153 | 77018 | 74 | B | 1 | 0.0040 mg/L |
| 154 | 77022 | 74 | B | 1 | 0.0040 mg/L |
| 155 | 77024 | 74 | B | 1 | 0.0040 mg/L |
| 156 | 77025 | 74 | B | 1 | 0.0040 mg/L |
| 157 | 77026 | 74 | B | 1 | 0.0040 mg/L |
| 158 | 77028 | 74 | B | 1 | 0.0040 mg/L |
| 159 | 77032 | 74 | B | 1 | 0.0040 mg/L |
| 160 | 77034 | 74 | B | 1 | 0.0040 mg/L |
| 161 | 77035 | 74 | B | 1 | 0.0040 mg/L |
| 162 | 77037 | 74 | B | 1 | 0.0040 mg/L |
| 163 | 77038 | 74 | B | 1 | 0.0040 mg/L |
| 164 | 77039 | 74 | B | 1 | 0.0040 mg/L |
| 165 | 77040 | 74 | B | 1 | 0.0040 mg/L |
| 166 | 77042 | 74 | B | 1 | 0.0040 mg/L |
| 167 | 77044 | 74 | B | 1 | 0.0040 mg/L |
| 168 | 77045 | 74 | B | 1 | 0.0040 mg/L |
| 169 | 77049 | 74 | B | 1 | 0.0040 mg/L |
| 170 | 77058 | 74 | B | 1 | 0.0040 mg/L |
| 171 | 77060 | 74 | B | 1 | 0.0040 mg/L |
| 172 | 77062 | 74 | B | 1 | 0.0040 mg/L |
| 173 | 77066 | 74 | B | 1 | 0.0040 mg/L |
| 174 | 77070 | 74 | B | 1 | 0.0040 mg/L |
| 175 | 77072 | 74 | B | 1 | 0.0040 mg/L |
| 176 | 77074 | 74 | B | 1 | 0.0040 mg/L |
| 177 | 77075 | 74 | B | 1 | 0.0040 mg/L |
| 178 | 77076 | 74 | B | 1 | 0.0040 mg/L |
| 179 | 77077 | 74 | B | 1 | 0.0040 mg/L |
| 180 | 77079 | 74 | B | 1 | 0.0040 mg/L |
| 181 | 77080 | 74 | B | 1 | 0.0040 mg/L |
| 182 | 77082 | 74 | B | 1 | 0.0040 mg/L |
| 183 | 77084 | 74 | B | 1 | 0.0040 mg/L |
| 184 | 77087 | 74 | B | 1 | 0.0040 mg/L |
| 185 | 77088 | 74 | B | 1 | 0.0040 mg/L |
| 186 | 77089 | 74 | B | 1 | 0.0040 mg/L |
| 187 | 77090 | 74 | B | 1 | 0.0040 mg/L |
| 188 | 77093 | 74 | B | 1 | 0.0040 mg/L |
| 189 | 77096 | 74 | B | 1 | 0.0040 mg/L |
| 190 | 77099 | 74 | B | 1 | 0.0040 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 95 neighborhoods score better than county average
- 95 neighborhoods score worse than county average
EPA Violations
- 190 total violations across Houston
- 190 health-based violations
- 190 of 190 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Fecal Coliform | 190 | 190 |
Frequently Asked Questions
What is the safest neighborhood in Houston?
ZIP code 77097 has the highest safety score in Houston at 98/100 (grade A). Check the full report for details.
Is Houston water safe to drink?
Houston has an average water safety score of 87/100 (A). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Updated daily.