Twin Ridges Park Inc, MO
Exceeded the action level in the past
Latest 90th-percentile lead: 5.37 ppb (monitoring period 2026-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
About Twin Ridges Park Inc
Twin Ridges Park Inc serves about 125 people through 51 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Christian County, Missouri. EPA system ID: MO5048032; phone on file: 417-874-7149. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Twin Ridges Park Inc's lead record
That is down 21.73 ppb from 27.1 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Twin Ridges Park Inc is 32.6 ppb across 10 monitoring periods, 3 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 5.37 ppb |
| 2025 | 27.1 ppb over 15 |
| 2024 | 17.4 ppb over 15 |
| 2023 | 11.1 ppb over 10 |
| 2022 | 7.03 ppb |
| 2022 | 7.03 ppb |
| 2020 | 3.63 ppb |
| 2020 | 2.03 ppb |
| 2019 | 32.6 ppb over 15 |
| 2016 | 12.6 ppb over 10 |
How Twin Ridges Park Inc compares
Of the 1,674 Missouri systems with a lead result, the median latest reading is 1.04 ppb; 2 are over 15 ppb right now and 74 have gone over at some point. Twin Ridges Park Inc's 5.37 ppb sits at the 92nd percentile in Missouri and the 92nd nationally (higher means more lead).
Neighbouring systems
28 other systems share Christian County; 1 of them has a higher latest lead result than Twin Ridges Park Inc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Nixa Pws | 24,532 | 1.12 ppb |
| Ozark Pws | 23,248 | 1.21 ppb |
| Nixa Pws Rde | 2,900 | 1.64 ppb |
| Clever Pws | 2,139 | 2.14 ppb |
| Sparta Pws | 1,946 | 0 (not detected) |
| Highlandville Pws | 1,417 | 2.13 ppb |
| Billings Pws | 1,035 | 1.17 ppb |
| Mo American Saddlebrooke Village Of | 440 | 0 (not detected) |
| Christian County Pwsd 1 | 325 | 0.68 ppb |
| Liberty Utilities Midland | 240 | 0 (not detected) |
Next steps for Springfield, MO
Test your own tap with a certified lab first-draw sample; Springfield, MO 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 Twin Ridges Park Inc 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. More in what a past exceedance means today.