Hmc Management Water System, WA
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 12.2 ppb (monitoring period 2023-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
Hmc Management Water System at a glance
Hmc Management Water System serves about 432 people through 410 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Pierce County, Washington. EPA system ID: WA5332550. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
That is up 5.7 ppb from 6.5 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Hmc Management Water System is 12.2 ppb across 4 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 12.2 ppb over 10 |
| 2022 | 6.5 ppb |
| 2019 | 4.6 ppb |
| 2016 | 10 ppb |
How Hmc Management Water System compares
Of the 2,218 Washington systems with a lead result, the median latest reading is 1 ppb; 18 are over 15 ppb right now and 62 have gone over at some point. Hmc Management Water System's 12.2 ppb sits at the 99th percentile in Washington and the 98th nationally (higher means more lead).
Neighbouring systems
226 other systems share Pierce County; 5 of them have a higher latest lead result than Hmc Management Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Tacoma Water Division City Of | 446,245 | 0 (not detected) |
| Puyallup City Of | 94,520 | 2.7 ppb |
| Lakewood Water District | 82,425 | 1.1 ppb |
| Southwood | 64,155 | 1.6 ppb |
| Bonney Lake Water Department City | 43,371 | 2.4 ppb |
| Firgrove Mutual Inc | 36,168 | 2.9 ppb |
| Jblm Lewis | 35,414 | 0 (not detected) |
| Spanaway Water Company | 34,506 | 2.4 ppb |
| Parkland Light & Water Company | 33,775 | 2.4 ppb |
| Fife Dept Of Public Works | 29,091 | 2 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Port Orchard, WA 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 Hmc Management Water System 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. Why sampled homes are the worst-case ones is in the guide to reading the number. This system is in the band the 2027 10 ppb rule changes.