Gswsa - Myrtle Beach, SC
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 15 ppb (monitoring period 2024-2026). 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.
About Gswsa - Myrtle Beach
Gswsa - Myrtle Beach serves about 25 people through 1 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Horry County, South Carolina. EPA system ID: SC2620009; phone on file: 843-443-8251. They can tell you what your service line is made of and whether they pay to replace it.
Gswsa - Myrtle Beach's lead record
Against the period ending 2023 (14 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Gswsa - Myrtle Beach is 15 ppb across 4 monitoring periods, none of them over 15 ppb (3 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 15 ppb over 10 |
| 2023 | 14 ppb over 10 |
| 2020 | 3.5 ppb |
| 2016 | 14 ppb over 10 |
Where this result ranks
Of the 553 South Carolina systems with a lead result, the median latest reading is 0.73 ppb; 3 are over 15 ppb right now and 47 have gone over at some point. Gswsa - Myrtle Beach's 15 ppb sits at the 99th percentile in South Carolina and the 99th nationally (higher means more lead).
Other water systems in Horry County
9 other systems share Horry County; 0 of them have a higher latest lead result than Gswsa - Myrtle Beach. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Grand Strand W&Sa/Bull Creek | 252,840 | 0.51 ppb |
| Myrtle Beach City Of | 49,375 | 0.65 ppb |
| N Myrtle Beach City Of (Sc2610011) | 43,883 | 1.3 ppb |
| Conway City Of (Sc2610008) | 27,005 | 2.5 ppb |
| Bucksport Water Company (Sc2620003) | 17,123 | 2.1 ppb |
| Conway Rural (Sc2620001) | 12,740 | 0.98 ppb |
| Ocean Lakes Ltd (Sc2660048) | 10,727 | 2.3 ppb |
| Lakewood Campground (Sc2660049) | 4,415 | 0.73 ppb |
| Loris City Of (Sc2610010) | 4,350 | 1.1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Conway, SC 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 Gswsa - Myrtle Beach 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. See what changes at 10 ppb in 2027.