Table 7.
Lifetime bladder cancer cases attributable to disinfection byproducts in drinking water (thousands of cases).
| Water Source | Population Served | Up to 20 ug/L | 20–40 ug/L | 40–60 ug/L | 60–80 ug/L | Above 80 ug/L | All Concentrations | ||
|---|---|---|---|---|---|---|---|---|---|
| Groundwater | 10,000 or less | 13.2 (0–29.4) |
13.7 (0–27.4) |
6.7 (1–11.9) |
3.2 (1.2–4.9) |
2.3 (0.3–5.1) |
39.2 (2.5–78.6) |
141.5 (10.2–276.5) |
828.1 (57.2–1590.2) |
| 10,001 to 100,000 | 17.1 (0–37.8) |
28.4 (0–56.8) |
16.9 (2.7–29.6) |
3.6 (1.3–5.6) |
0.5 (0.1–1) |
66.4 (4–130.8) |
|||
| More than 100,000 | 4.4 (0–9.7) |
14.6 (0–28.5) |
11.6 (1.8–20.4) |
5.3 (1.8–8.4) |
0 (0–0) |
35.9 (3.6–67) |
|||
| Surface Water | 10,000 or less | 5.2 (0–11.4) |
22.8 (0–44.9) |
26.5 (4.2–46.5) |
10.6 (3.9–16.4) |
5.1 (1–10.6) |
70.1 (9.1–129.8) |
686.6 (47.1–1313.6) |
|
| 10,001 to 100,000 | 27.5 (0–60.9) |
100.1 (0–197.8) |
74.4 (10.9–131.3) |
9.7 (3.5–15.2) |
4.9 (0.6–11.2) |
216.7 (15–416.4) |
|||
| More than 100,000 | 35.4 (0–78.4) |
217.6 (0–427.9) |
131.1 (19.2–231.4) |
10.8 (3.8–17.1) |
4.9 (0–12.6) |
399.9 (23–767.4) |
|||