- PWSID
- TX0200002
- State
- Texas
- System type
- community water system (CWS)
- Population served
- 19,429
- City
- Angleton
- Counties
- Brazoria County
- Primary source water
- surface water (purchased)
- UCMR 5 sampling
- 2023-02-21 to 2024-06-18 · 4 entry point(s) · water types: MX;SW
- Service-area boundary
- authoritative
Hazard Index below its limit highest single result
Hazard Index below its limit worst entry-point average
Open on the Texas map · All Texas systems · All results
These are monitoring results collected under EPA's Fifth Unregulated Contaminant Monitoring Rule (UCMR 5) at entry points, where treated water enters the distribution system; they are not tap-water samples. They are not compliance determinations: compliance with EPA's 2024 PFAS limits is judged on running annual averages of compliance monitoring, required from 2029, so a single UCMR 5 result at or above a limit is not a violation. “< MRL” means the compound was not quantified at EPA's minimum reporting level; it does not mean zero.
Water purchased from
- Brazosport Water Authority (TX0200497)
Seller not monitored under UCMR 5.
Seller results are the seller's own entry-point samples, not measurements of this system's water. This system's own samples (below) may reflect purchased water, its own sources, or both.
Compared with EPA's 2024 values
| Highest single result | Worst entry-point average* | Limit | |
|---|---|---|---|
| PFOA (ppt) | <MRL | 0 | 4 |
| PFOS (ppt) | <MRL | 0 | 4 |
| Hazard Index | 0.362 | 0.091 | 1.0† |
“<MRL” = every result for the compound was below its reporting limit. * Mean of all samples at each entry point with non-detects = 0 (EPA compliance convention; the Hazard Index also uses non-detects = 0); a screening comparison, not a formal running annual average. † Rescission proposed May 2026. PFOA/PFOS MCL 4 ppt (2024 NPDWR, in effect). PFHxS, PFNA, HFPO-DA (10 ppt each) and the Hazard Index (1.0) are 2024 NPDWR values; EPA proposed rescinding them on 18 May 2026 (comment period closed 20 Jul 2026).
No Texas PFAS drinking-water standard in effect or proposed as of 2026-10-17: No state PFAS drinking-water standard; TCEQ implementing federal NPDWR (BCLP state survey, Jan 2026).
Sampling history
Sampled 2023-02-21 to 2024-06-18 · 4 entry point(s) · water types: MX;SW · 22 sampling visits. PFAS in ppt (ng/L).
| Date | Entry point | Event | PFOA | PFOS | HI | Other detections |
|---|---|---|---|---|---|---|
| 2023-02-21 | 1114 N. Chenango St, Angleton (MX) | SE1 | <4 | <4 | 0 | PFBA 7.3, PFHxA 4, PFPeA 90.8 |
| 2023-02-21 | 558 Downing St, Angelton (MX) | SE1 | <4 | <4 | 0 | lithium 16.6 µg/L |
| 2023-02-21 | NE of CR 220 / TX 288, Angleton (SW) | SE1 | <4 | <4 | 0 | PFBA 10.1, PFHxA 4.8, PFPeA 112 |
| 2023-02-21 | W Henderson Rd, Angleton (MX) | SE1 | <4 | <4 | 0 | PFBA 7.6, PFHxA 4.1, PFPeA 91 |
| 2023-05-31 | 1114 N. Chenango St, Angleton (MX) | SE2 | n/a | n/a | n/a | none |
| 2023-05-31 | 558 Downing St, Angelton (MX) | SE2 | <4 | <4 | 0 | lithium 11.8 µg/L |
| 2023-05-31 | NE of CR 220 / TX 288, Angleton (SW) | SE2 | <4 | <4 | 0 | PFPeA 14.6 |
| 2023-05-31 | W Henderson Rd, Angleton (MX) | SE2 | <4 | <4 | 0 | PFBA 13.2, PFHxA 7, PFPeA 97.3, lithium 9.1 µg/L |
| 2023-08-29 | 1114 N. Chenango St, Angleton (MX) | SE3 | <4 | <4 | 0 | PFBA 7.8, PFHxA 4.4, PFPeA 131, lithium 15.8 µg/L |
| 2023-08-29 | 558 Downing St, Angelton (MX) | SE3 | <4 | <4 | 0.002 | PFBA 10.1, PFHxA 4.8, PFPeA 151, lithium 15.5 µg/L |
| 2023-08-29 | NE of CR 220 / TX 288, Angleton (SW) | SE3 | <4 | <4 | 0.362 | PFBA 12.9, PFHxA 7, PFPeA 205, lithium 14 µg/L |
| 2023-08-29 | W Henderson Rd, Angleton (MX) | SE3 | n/a | n/a | n/a | lithium 17.5 µg/L |
| 2023-11-28 | 1114 N. Chenango St, Angleton (MX) | SE4 | n/a | n/a | n/a | lithium 10.1 µg/L |
| 2023-11-28 | 558 Downing St, Angelton (MX) | SE4 | n/a | n/a | n/a | lithium 17 µg/L |
| 2023-11-28 | NE of CR 220 / TX 288, Angleton (SW) | SE4 | n/a | n/a | n/a | none |
| 2023-11-28 | W Henderson Rd, Angleton (MX) | SE4 | n/a | n/a | n/a | lithium 10.1 µg/L |
| 2024-03-26 | 1114 N. Chenango St, Angleton (MX) | SE2 | <4 | <4 | 0 | PFBA 9.6, PFPeA 27.9 |
| 2024-03-26 | 558 Downing St, Angelton (MX) | SE4 | <4 | <4 | 0 | none |
| 2024-03-26 | NE of CR 220 / TX 288, Angleton (SW) | SE4 | <4 | <4 | 0 | PFPeA 5.4 |
| 2024-03-26 | W Henderson Rd, Angleton (MX) | SE3 | <4 | <4 | 0 | PFPeA 6 |
| 2024-06-18 | 1114 N. Chenango St, Angleton (MX) | SE4 | <4 | <4 | 0 | PFBA 14.8, PFHxA 3.6, PFPeA 55.2 |
| 2024-06-18 | W Henderson Rd, Angleton (MX) | SE4 | <4 | <4 | 0 | PFBA 13.5, PFHxA 3.6, PFPeA 50.2 |
“<4” = not detected at the reporting limit shown; “n/a” = not analyzed in that sample. Highlighted = at or above the 4 ppt MCL. HI computed per sample with non-detects as 0. Other detections lists every other quantified compound (lithium in µg/L).
All results by entry point
480 results. Each column is one sampling visit (date and UCMR 5 sample event). A number is a measured concentration; “< 4” = below the minimum reporting level shown; “–” = not analyzed in that visit. PFAS in ppt (ng/L); lithium in µg/L.
1114 N. Chenango St, Angleton facility EP002 · sample point EP002 · MX
| Compound | MRL | 2023-02-21 SE1 | 2023-05-31 SE2 | 2023-08-29 SE3 | 2023-11-28 SE4 | 2024-03-26 SE2 | 2024-06-18 SE4 |
|---|---|---|---|---|---|---|---|
| PFBA | 5 ppt | 7.3 | – | 7.8 | – | 9.6 | 14.8 |
| PFHxA | 3 ppt | 4 | – | 4.4 | – | < 3 | 3.6 |
| PFPeA | 3 ppt | 90.8 | – | 131 | – | 27.9 | 55.2 |
| 11Cl-PF3OUdS | 5 ppt | < 5 | – | < 5 | – | < 5 | < 5 |
| 4:2 FTS | 3 ppt | < 3 | – | < 3 | – | < 3 | < 3 |
| 6:2 FTS | 5 ppt | < 5 | – | < 5 | – | < 5 | < 5 |
| 8:2 FTS | 5 ppt | < 5 | – | < 5 | – | < 5 | < 5 |
| 9Cl-PF3ONS | 2 ppt | < 2 | – | < 2 | – | < 2 | < 2 |
| ADONA | 3 ppt | < 3 | – | < 3 | – | < 3 | < 3 |
| HFPO-DA | 5 ppt | < 5 | – | < 5 | – | < 5 | < 5 |
| NEtFOSAA | 5 ppt | < 5 | < 5 | < 5 | < 5 | – | – |
| NFDHA | 20 ppt | < 20 | – | < 20 | – | < 20 | < 20 |
| NMeFOSAA | 6 ppt | < 6 | < 6 | < 6 | < 6 | – | – |
| PFBS | 3 ppt | < 3 | – | < 3 | – | < 3 | < 3 |
| PFDA | 3 ppt | < 3 | – | < 3 | – | < 3 | < 3 |
| PFDoA | 3 ppt | < 3 | – | < 3 | – | < 3 | < 3 |
| PFEESA | 3 ppt | < 3 | – | < 3 | – | < 3 | < 3 |
| PFHpA | 3 ppt | < 3 | – | < 3 | – | < 3 | < 3 |
| PFHpS | 3 ppt | < 3 | – | < 3 | – | < 3 | < 3 |
| PFHxS | 3 ppt | < 3 | – | < 3 | – | < 3 | < 3 |
| PFMBA | 3 ppt | < 3 | – | < 3 | – | < 3 | < 3 |
| PFMPA | 4 ppt | < 4 | – | < 4 | – | < 4 | < 4 |
| PFNA | 4 ppt | < 4 | – | < 4 | – | < 4 | < 4 |
| PFOA | 4 ppt | < 4 | – | < 4 | – | < 4 | < 4 |
| PFOS | 4 ppt | < 4 | – | < 4 | – | < 4 | < 4 |
| PFPeS | 4 ppt | < 4 | – | < 4 | – | < 4 | < 4 |
| PFTA | 8 ppt | < 8 | < 8 | < 8 | < 8 | – | – |
| PFTrDA | 7 ppt | < 7 | < 7 | < 7 | < 7 | – | – |
| PFUnA | 2 ppt | < 2 | – | < 2 | – | < 2 | < 2 |
| lithium | 9 µg/L | < 9 | < 9 | 15.8 | 10.1 | – | – |
558 Downing St, Angelton facility EP005 · sample point EP005 · MX
| Compound | MRL | 2023-02-21 SE1 | 2023-05-31 SE2 | 2023-08-29 SE3 | 2023-11-28 SE4 | 2024-03-26 SE4 |
|---|---|---|---|---|---|---|
| PFBA | 5 ppt | < 5 | < 5 | 10.1 | – | < 5 |
| PFBS | 3 ppt | < 3 | < 3 | 3.3 | – | < 3 |
| PFHxA | 3 ppt | < 3 | < 3 | 4.8 | – | < 3 |
| PFPeA | 3 ppt | < 3 | < 3 | 151 | – | < 3 |
| 11Cl-PF3OUdS | 5 ppt | < 5 | < 5 | < 5 | – | < 5 |
| 4:2 FTS | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| 6:2 FTS | 5 ppt | < 5 | < 5 | < 5 | – | < 5 |
| 8:2 FTS | 5 ppt | < 5 | < 5 | < 5 | – | < 5 |
| 9Cl-PF3ONS | 2 ppt | < 2 | < 2 | < 2 | – | < 2 |
| ADONA | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| HFPO-DA | 5 ppt | < 5 | < 5 | < 5 | – | < 5 |
| NEtFOSAA | 5 ppt | < 5 | < 5 | < 5 | < 5 | – |
| NFDHA | 20 ppt | < 20 | < 20 | < 20 | – | < 20 |
| NMeFOSAA | 6 ppt | < 6 | < 6 | < 6 | < 6 | – |
| PFDA | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| PFDoA | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| PFEESA | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| PFHpA | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| PFHpS | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| PFHxS | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| PFMBA | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| PFMPA | 4 ppt | < 4 | < 4 | < 4 | – | < 4 |
| PFNA | 4 ppt | < 4 | < 4 | < 4 | – | < 4 |
| PFOA | 4 ppt | < 4 | < 4 | < 4 | – | < 4 |
| PFOS | 4 ppt | < 4 | < 4 | < 4 | – | < 4 |
| PFPeS | 4 ppt | < 4 | < 4 | < 4 | – | < 4 |
| PFTA | 8 ppt | < 8 | < 8 | < 8 | < 8 | – |
| PFTrDA | 7 ppt | < 7 | < 7 | < 7 | < 7 | – |
| PFUnA | 2 ppt | < 2 | < 2 | < 2 | – | < 2 |
| lithium | 9 µg/L | 16.6 | 11.8 | 15.5 | 17 | – |
NE of CR 220 / TX 288, Angleton facility EP004 · sample point EP004 · surface water
| Compound | MRL | 2023-02-21 SE1 | 2023-05-31 SE2 | 2023-08-29 SE3 | 2023-11-28 SE4 | 2024-03-26 SE4 |
|---|---|---|---|---|---|---|
| PFBA | 5 ppt | 10.1 | < 5 | 12.9 | – | < 5 |
| PFBS | 3 ppt | < 3 | < 3 | 4.5 | – | < 3 |
| PFHxA | 3 ppt | 4.8 | < 3 | 7 | – | < 3 |
| PFHxS | 3 ppt | < 3 | < 3 | 3.6 | – | < 3 |
| PFPeA | 3 ppt | 112 | 14.6 | 205 | – | 5.4 |
| 11Cl-PF3OUdS | 5 ppt | < 5 | < 5 | < 5 | – | < 5 |
| 4:2 FTS | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| 6:2 FTS | 5 ppt | < 5 | < 5 | < 5 | – | < 5 |
| 8:2 FTS | 5 ppt | < 5 | < 5 | < 5 | – | < 5 |
| 9Cl-PF3ONS | 2 ppt | < 2 | < 2 | < 2 | – | < 2 |
| ADONA | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| HFPO-DA | 5 ppt | < 5 | < 5 | < 5 | – | < 5 |
| NEtFOSAA | 5 ppt | < 5 | < 5 | < 5 | < 5 | – |
| NFDHA | 20 ppt | < 20 | < 20 | < 20 | – | < 20 |
| NMeFOSAA | 6 ppt | < 6 | < 6 | < 6 | < 6 | – |
| PFDA | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| PFDoA | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| PFEESA | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| PFHpA | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| PFHpS | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| PFMBA | 3 ppt | < 3 | < 3 | < 3 | – | < 3 |
| PFMPA | 4 ppt | < 4 | < 4 | < 4 | – | < 4 |
| PFNA | 4 ppt | < 4 | < 4 | < 4 | – | < 4 |
| PFOA | 4 ppt | < 4 | < 4 | < 4 | – | < 4 |
| PFOS | 4 ppt | < 4 | < 4 | < 4 | – | < 4 |
| PFPeS | 4 ppt | < 4 | < 4 | < 4 | – | < 4 |
| PFTA | 8 ppt | < 8 | < 8 | < 8 | < 8 | – |
| PFTrDA | 7 ppt | < 7 | < 7 | < 7 | < 7 | – |
| PFUnA | 2 ppt | < 2 | < 2 | < 2 | – | < 2 |
| lithium | 9 µg/L | < 9 | < 9 | 14 | < 9 | – |
W Henderson Rd, Angleton facility EP003 · sample point EP003 · MX
| Compound | MRL | 2023-02-21 SE1 | 2023-05-31 SE2 | 2023-08-29 SE3 | 2023-11-28 SE4 | 2024-03-26 SE3 | 2024-06-18 SE4 |
|---|---|---|---|---|---|---|---|
| PFBA | 5 ppt | 7.6 | 13.2 | – | – | < 5 | 13.5 |
| PFHxA | 3 ppt | 4.1 | 7 | – | – | < 3 | 3.6 |
| PFPeA | 3 ppt | 91 | 97.3 | – | – | 6 | 50.2 |
| 11Cl-PF3OUdS | 5 ppt | < 5 | < 5 | – | – | < 5 | < 5 |
| 4:2 FTS | 3 ppt | < 3 | < 3 | – | – | < 3 | < 3 |
| 6:2 FTS | 5 ppt | < 5 | < 5 | – | – | < 5 | < 5 |
| 8:2 FTS | 5 ppt | < 5 | < 5 | – | – | < 5 | < 5 |
| 9Cl-PF3ONS | 2 ppt | < 2 | < 2 | – | – | < 2 | < 2 |
| ADONA | 3 ppt | < 3 | < 3 | – | – | < 3 | < 3 |
| HFPO-DA | 5 ppt | < 5 | < 5 | – | – | < 5 | < 5 |
| NEtFOSAA | 5 ppt | < 5 | < 5 | < 5 | < 5 | – | – |
| NFDHA | 20 ppt | < 20 | < 20 | – | – | < 20 | < 20 |
| NMeFOSAA | 6 ppt | < 6 | < 6 | < 6 | < 6 | – | – |
| PFBS | 3 ppt | < 3 | < 3 | – | – | < 3 | < 3 |
| PFDA | 3 ppt | < 3 | < 3 | – | – | < 3 | < 3 |
| PFDoA | 3 ppt | < 3 | < 3 | – | – | < 3 | < 3 |
| PFEESA | 3 ppt | < 3 | < 3 | – | – | < 3 | < 3 |
| PFHpA | 3 ppt | < 3 | < 3 | – | – | < 3 | < 3 |
| PFHpS | 3 ppt | < 3 | < 3 | – | – | < 3 | < 3 |
| PFHxS | 3 ppt | < 3 | < 3 | – | – | < 3 | < 3 |
| PFMBA | 3 ppt | < 3 | < 3 | – | – | < 3 | < 3 |
| PFMPA | 4 ppt | < 4 | < 4 | – | – | < 4 | < 4 |
| PFNA | 4 ppt | < 4 | < 4 | – | – | < 4 | < 4 |
| PFOA | 4 ppt | < 4 | < 4 | – | – | < 4 | < 4 |
| PFOS | 4 ppt | < 4 | < 4 | – | – | < 4 | < 4 |
| PFPeS | 4 ppt | < 4 | < 4 | – | – | < 4 | < 4 |
| PFTA | 8 ppt | < 8 | < 8 | < 8 | < 8 | – | – |
| PFTrDA | 7 ppt | < 7 | < 7 | < 7 | < 7 | – | – |
| PFUnA | 2 ppt | < 2 | < 2 | – | – | < 2 | < 2 |
| lithium | 9 µg/L | < 9 | 9.1 | 17.5 | 10.1 | – | – |
Statistics by compound
| Compound | Results | Detected | Highest (date) | Mean bounds | KM median | P75 | P90 | P95 |
|---|---|---|---|---|---|---|---|---|
| PFPeA | 16 | 81% | 205 2023-08-29 | 64.84–65.4 | 50.2 | 97.3 | 151 | 205 |
| PFBA | 16 | 62% | 14.8 2024-06-18 | 6.68–8.56 | 7.6 | 10.1 | 13.5 | 14.8 |
| lithium | 16 | 62% | 17.5 2023-08-29 | 8.59–11.97 | 10.1 | 15.5 | 17 | 17.5 |
| PFHxA | 16 | 56% | 7 2023-05-31 | 2.71–4.02 | 3.6 | 4.4 | 7 | 7 |
| PFBS | 16 | 12% | 4.5 2023-08-29 | 0.49–3.11 | <MRL | <MRL | 3.3 | 4.5 |
| PFHxS | 16 | 6% | 3.6 2023-08-29 | 0.23–3.04 | <MRL | <MRL | <MRL | 3.6 |
Never detected (24): 11Cl-PF3OUdS, 4:2 FTS, 6:2 FTS, 8:2 FTS, 9Cl-PF3ONS, ADONA, HFPO-DA, NEtFOSAA, NFDHA, NMeFOSAA, PFDA, PFDoA, PFEESA, PFHpA, PFHpS, PFMBA, PFMPA, PFNA, PFOA, PFOS, PFPeS, PFTA, PFTrDA, PFUnA.
Left-censored Kaplan–Meier statistics (Helsel 2005; Helsel & Lee 2006, NADA for R). Units: ppt; lithium µg/L. Each compound has one reporting limit, so the Kaplan–Meier mean equals the upper mean bound (non-detects at the MRL); the lower bound sets non-detects to 0. “<MRL” = the percentile falls below the reporting limit and cannot be estimated. These describe this system's UCMR 5 samples, not population estimates.
Sources
- EPA UCMR 5 occurrence data text files (UCMR5_All.txt; samples 2023-01-09 to 2026-06-16; data summary dated Jul 2026)
- EPA SDWIS via ECHO SDWA downloads, quarter 2026Q3
- EPA Public Water System Service Areas v3 (Mar 2026)
- US Census Bureau cartographic boundary counties 1:500k, 2024
- EPA/USGS NHDPlus V2 (medium resolution) flowlines, Strahler order 2+
Data build a6f3d99247ed · 2026-10-18T04:13Z · UCMR 5 release Jul2026 · SDWIS 2026Q3. Data and methods.