County profile · EPA SDWIS + UCMR5
Llano County, Texas
27 SDWIS-listed public water systems serve 39,555 people in Llano County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 27
- SDWIS water systems Middle third of counties
- 3,428
- Total violations Upper third of counties
- 100.0%
- SDWIS systems w/ a violation Middle third of counties
- 66.7%
- UCMR5 PFAS rate (3 tested) Upper third of counties with tests
SDWIS compliance plate
Sheet TX299 · Llano County 27 sys · 3,428 viol · #1122/3254
VIOL-SEVERE · HEALTH-MID · RANK-UPPER · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-MID 30.2% health
- RANK-UPPER #1122/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-HIGH 66.7% detect
- SRC-GW GW lead 52%
- SYS-SMALL 27 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Collin County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Llano County ranks #1,122 of 3,254 counties by people served, and #83 of 254 counties in Texas. See methodology · corpus placement.
Llano County standing, mid-flagged corpus third
Flagged-system rate 100.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 30.2% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 66.7% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,122 of 3,254 · #83 of 254 in Texas.
Flagged-rate neighbourhood around Llano County
Lowest/highest poles plus in-state counties nearest Llano County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Kingsland WSC | 12,975 | 42 | Clean |
| City of Horseshoe Bay | 12,729 | 174 | Detected |
| City of Llano | 3,352 | 47 | Detected |
| Lake Buchanan | 2,484 | 62 | - |
| Tpwd Enchanted Rock Sna | 885 | 6 | - |
| Camp Longhorn Main Camp | 800 | 54 | - |
| City of Sunrise Beach Village | 791 | 35 | - |
| Llano County MUD 1 | 747 | 133 | - |
| Pecan Utilities Oak Ridge Subdivision | 588 | 21 | - |
| 3 G WSC | 550 | 199 | - |
| Kingsland WSC Comanche Rancherias | 537 | 19 | - |
| Paradise Point Subdivision | 528 | 31 | - |
| Buchanan Lake Village | 425 | 982 | - |
| Deerhaven Wcid | 336 | 126 | - |
| Sandy Harbor Subdivision | 333 | 29 | - |
| J & S Quick Stop | 200 | 74 | - |
| Beachcomber Park | 190 | 118 | - |
| Bluffton Trailer Park | 180 | 63 | - |
| Water Works 2 Island Lodges | 162 | 14 | - |
| Shady Oaks RV Park | 159 | 18 | - |
| Flag Creek Ranch | 117 | 55 | - |
| Valentine Lakeside | 100 | 27 | - |
| Tow Water System | 93 | 497 | - |
| Water Works 1 Floyd Acres | 78 | 42 | - |
| Royal Oaks Estates Subdivision | 75 | 4 | - |
| Deer Country WSC | 72 | 71 | - |
| Lake Front Buchanan | 69 | 485 | - |
Compare beyond Texas
Mid-flagged peers for Llano County
Cross-state counties nearest Llano County on flagged-system share (100.0%) and cumulative violation count (3,428). In-state neighbours stay on the compliance plate above.
Similar flagged-system rate
Nearest cross-state counties by % of SDWIS systems with at least one violation on record.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.