City Of Corpus Christi, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 1.4 ppb (monitoring period 2024-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
City Of Corpus Christi at a glance
City Of Corpus Christi serves about 317,247 people through 103,177 service connections, which makes it a very large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Nueces County, Texas. EPA system ID: TX1780003; phone on file: 361-826-3100. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2023 (1.7 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for City Of Corpus Christi is 2.92 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.4 ppb |
| 2023 | 1.7 ppb |
| 2020 | 2.4 ppb |
| 2017 | 2.92 ppb |
| 2016 | 1.7 ppb |
Where this result ranks
Of the 4,447 Texas systems with a lead result, the median latest reading is 0.28 ppb; 15 are over 15 ppb right now and 202 have gone over at some point. City Of Corpus Christi's 1.4 ppb sits at the 74th percentile in Texas and the 63rd nationally (higher means more lead).
Nearby utilities
11 other systems share Nueces County; 4 of them have a higher latest lead result than City Of Corpus Christi. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Nueces County Wcid 4 | 14,880 | 1.04 ppb |
| Nueces County Wcid 3 | 14,000 | 2.38 ppb |
| Naval Air Station Corpus Christi | 7,048 | 1.29 ppb |
| Nueces Wsc | 3,165 | 0.56 ppb |
| City Of Bishop | 3,103 | 1.64 ppb |
| River Acres Wsc | 2,700 | 2.34 ppb |
| Violet Wsc | 2,670 | 1.62 ppb |
| Nueces County Wcid 5 | 933 | 0 (not detected) |
| City Of Agua Dulce | 848 | 0.64 ppb |
| City Of Driscoll | 680 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Corpus Christi, TX may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask City Of Corpus Christi whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. The lead result guide covers how utilities pick the homes they sample. Systems that went over once often dip back under; here is what that means.