Circle C Mhp, MO
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2022-2024). 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
Circle C Mhp serves about 75 people through 31 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Franklin County, Missouri. EPA system ID: MO6048106; phone on file: 636-584-2932. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is down 1.63 ppb from 1.63 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Circle C Mhp is 1.63 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2021 | 1.63 ppb |
| 2021 | 1.63 ppb |
| 2019 | 0 (not detected) |
| 2018 | 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. Circle C Mhp's reported as 0 (not detected) sits at the 6th percentile in Missouri and the 7th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
39 other systems share Franklin County; 30 of them have a higher latest lead result than Circle C Mhp. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Washington Pws | 14,068 | 2.62 ppb |
| Union Pws | 12,348 | 2.48 ppb |
| Franklin County Pwsd 3 | 8,250 | 1.9 ppb |
| Lake Royale S/D | 5,890 | 0.9 ppb |
| St Clair Pws | 4,700 | 2.23 ppb |
| Franklin County Pwsd 1 | 3,500 | 4.13 ppb |
| New Haven Pws | 2,000 | 0 (not detected) |
| Gerald Pws | 1,383 | 2.9 ppb |
| Franklin County Pwsd 3 St Albans | 1,300 | 1.88 ppb |
| Franklin County Pwsd 4 | 760 | 2.89 ppb |
What to do in your house
Look up your address in Circle C Mhp'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 Circle C Mhp 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. A zero today does not rule out a jump later - the rules are tightening in 2027.