Deer Country Wsc, MO
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2021-2023). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Who runs the water here
Deer Country Wsc serves about 72 people through 24 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Llano County, Missouri. EPA system ID: TX1500121; phone on file: 254-355-9124. They can tell you what your service line is made of and whether they pay to replace it.
Deer Country Wsc's lead record
The highest 90th-percentile result EPA holds for Deer Country Wsc is 0 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
Against other Missouri systems
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. Deer Country Wsc's reported as 0 (not detected) sits at the 6th percentile in Missouri and the 6th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Llano County
3 other systems share Llano County; 3 of them have a higher latest lead result than Deer Country Wsc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Water Works 2 Island Lodges | 162 | 6.8 ppb |
| Flag Creek Ranch | 117 | 1.06 ppb |
| Water Works 1 Floyd Acres | 78 | 3.05 ppb |
Next steps for Saint Louis, MO
Look up your address in Deer Country Wsc's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Deer Country Wsc 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Small systems behave differently: why small systems go over more often.