Cedar Green, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 1.5 ppb (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. 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.
About Cedar Green
Cedar Green serves about 135 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 Camden County, Missouri. EPA system ID: MO3190757; phone on file: 314-464-3964. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2022 (0.6 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Cedar Green is 1.5 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.5 ppb |
| 2022 | 0.6 ppb |
| 2021 | 0.6 ppb |
| 2021 | 0.6 ppb |
| 2019 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2016 | 0.71 ppb |
How Cedar Green 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. Cedar Green's 1.5 ppb sits at the 61st percentile in Missouri and the 63rd nationally (higher means more lead).
Other water systems in Camden County
61 other systems share Camden County; 29 of them have a higher latest lead result than Cedar Green. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Camden County Pwsd 4 Horseshoe Bend | 7,912 | 1.71 ppb |
| Camdenton Pws | 3,960 | 1.86 ppb |
| Osage Beach East Pws | 2,611 | 2.26 ppb |
| Camden County Pwsd #4 Shawnee Bend | 2,065 | 7.62 ppb |
| Osage Beach West Pws | 1,700 | 2.92 ppb |
| Camden County Pwsd 3 | 1,650 | 4.62 ppb |
| Camden County Pwsd 2 | 1,600 | 0 (not detected) |
| Camden County Pwsd 1 | 1,300 | 1.83 ppb |
| Encounter Cove Camp & Conference Center | 1,052 | 0 (not detected) |
| Sweet Pea Pws | 980 | 0 (not detected) |
Next steps for St Louis, MO
Test your own tap with a certified lab first-draw sample; St Louis, 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 Cedar Green 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. Size matters more than most people expect: small vs large water systems.