What was found in Chapin's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 1900 µg/L 19% of the EPA limit 10000 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019 | 7/10 | SYR4 |
| Nitrate-Nitrite | 1505 µg/L 15% of the EPA limit 10000 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2013 | 7/10 | SYR4 |
| Copper | 232.5 µg/L 18% of the EPA limit 1300 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019
Highest in the city: 856.4 µg/L — CRYSTAL PINES (SC3250065) · 69 people · 2018 | 10/10 | SYR4 |
| Barium | 316 µg/L 16% of the EPA limit 2000 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019 | 4/10 | SYR4 |
| Fluoride | 138 µg/L 3.5% of the EPA limit 4000 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2018
Highest in the city: 181 µg/L — BGWC MILMONT SHORES (SC3250025) · 57 people · 2018 | 5/10 | SYR4 |
| Total Haloacetic Acids (HAA5) | 52.85 µg/L 88% of the EPA limit 60 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019 | 6/10 | SYR4 |
| TTHM | 40.1 µg/L 50% of the EPA limit 80 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019
Highest in the city: 43.41 µg/L — BGWC MILMONT SHORES (SC3250025) · 57 people · 2018 | 6/10 | SYR4 |
| Nitrite | 43 µg/L 4.3% of the EPA limit 1000 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2013 | 1/10 | SYR4 |
| Dichloroacetic Acid | 29.962 µg/L No EPA limit set Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019
Highest in the city: 31.077 µg/L — STEPHENSON'S LAKE (SC3250018) · 55 people · 2019 | 6/10 | SYR4 |
| Chloroform | 29.01 µg/L No EPA limit set Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019
Highest in the city: 29.958 µg/L — BGWC DUTCHMAN SHORES (SC3250021) · 335 people · 2019 | 5/10 | SYR4 |
| Toluene | 29.6 µg/L 3% of the EPA limit 1000 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019 | 1/10 | SYR4 |
| Trichloroacetic Acid | 19.44 µg/L No EPA limit set Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019
Highest in the city: 19.4855 µg/L — STEPHENSON'S LAKE (SC3250018) · 55 people · 2019 | 6/10 | SYR4 |
| Bromoform | 19.184 µg/L No EPA limit set Highest in the city: BGWC MILMONT SHORES (SC3250025) · 57 people · 2018 | 4/10 | SYR4 |
| Lead | 16.35 µg/L 109% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019 | 9/10 | SYR4 |
| Chromium | 16 µg/L 16% of the EPA limit 100 µg/L Highest in the city: CRYSTAL PINES (SC3250065) · 69 people · 2017 | 1/10 | SYR4 |
| Dibromochloromethane | 3.74 µg/L No EPA limit set Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019
Highest in the city: 14.658 µg/L — BGWC MILMONT SHORES (SC3250025) · 57 people · 2018 | 6/10 | SYR4 |
| Arsenic | 11.535 µg/L 115% of the EPA limit, at the 95th percentile of samples — 10 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019 | 2/10 | SYR4 |
| Selenium | 8.2 µg/L 16% of the EPA limit 50 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019
Highest in the city: 10.53 µg/L — BGWC LAKEWOOD ESTATES (SC3250005) · 492 people · 2019 | 4/10 | SYR4 |
| Bromodichloromethane | 9.69 µg/L No EPA limit set Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019
Highest in the city: 10.166 µg/L — BGWC DUTCHMAN SHORES (SC3250021) · 335 people · 2019 | 6/10 | SYR4 |
| Combined Uranium | 1.2 µg/L 4% of the EPA limit 30 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2015
Highest in the city: 8.7 µg/L — BGWC LAKEWOOD ESTATES (SC3250005) · 492 people · 2013 | 3/10 | SYR4 |
| Dibromoacetic Acid | 3.635 µg/L No EPA limit set Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019
Highest in the city: 8.335 µg/L — BGWC MILMONT SHORES (SC3250025) · 57 people · 2018 | 6/10 | SYR4 |
| Gross Alpha, Excl. Radon And U | 5.34 pCi/L 36% of the EPA limit 15 pCi/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2018
Highest in the city: 7.215 pCi/L — BGWC LAKEWOOD ESTATES (SC3250005) · 492 people · 2018 | 3/10 | SYR4 |
| Monobromoacetic Acid | 4.0975 µg/L No EPA limit set Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019 | 5/10 | SYR4 |
| Combined Radium (-226 And -228) | 2.274 pCi/L 45% of the EPA limit 5 pCi/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2018
Highest in the city: 3.9795 pCi/L — BGWC LAKEWOOD ESTATES (SC3250005) · 492 people · 2018 | 2/10 | SYR4 |
| Tetrachloroethylene | 1.9315 µg/L 39% of the EPA limit 5 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019 | 1/10 | SYR4 |
| Chlordane | 0.9800 µg/L 49% of the EPA limit 2 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019 | 1/10 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 0.7600 µg/L 13% of the EPA limit 6 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019 | 1/10 | SYR4 |
| Thallium, Total | 0.6100 µg/L 31% of the EPA limit 2 µg/L Highest in the city: EMERALD SHORES (SC3250088) · 36 people · 2019 | 2/10 | SYR4 |
| Cadmium | 0.1500 µg/L 3% of the EPA limit 5 µg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2019
Highest in the city: 0.3100 µg/L — EMERALD SHORES (SC3250088) · 36 people · 2019 | 2/10 | SYR4 |
| Pfpea | 0.0101 µg/L No EPA limit set Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2025 | 1/10 | UCMR-5 |
| PFOS | 0.0076 µg/L No EPA limit set Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2024 | 1/10 | UCMR-5 |
| Hfpo-Da | 0.0072 µg/L No EPA limit set Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2025 | 1/10 | UCMR-5 |
| Pfhxa | 0.0051 µg/L No EPA limit set Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2025 | 1/10 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2024
Highest in the city: 0.0050 mg/L — STEPHENSON'S LAKE (SC3250018) · 55 people · 2024 | 10/10 | LCR |
| PFOA | 0.0046 µg/L No EPA limit set Main supplier: AMICKS FERRY WTR SYSTEM (SC3250077) · 3,937 people · 2024 | 1/10 | UCMR-5 |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
These are the utilities' own EPA-reported results, not a city-wide
average. A detection means the lab measured the
substance — it isn't the same as exceeding a legal limit. Hover a source
tag to see the EPA program and years behind each figure.
Water suppliers serving Chapin
Frequently asked questions about Chapin tap water
Is Chapin tap water safe to drink?
EPA testing detected 35 contaminants in the water serving Chapin. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Chapin?
10 public water suppliers report drinking-water monitoring for Chapin, South Carolina to the EPA. Each is listed above with its population served.
What contaminants are in Chapin's water?
The contaminants EPA monitoring detected in Chapin include Nitrate, Nitrate-Nitrite, Copper, Barium, Fluoride. The full list, with the level at the main supplier and the data source, is in the table above.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.