Table 1.
Percentage groundwater and surface water contribution to district tap water by month.
| District | Month | Groundwater (%) | Surface water (%) |
|---|---|---|---|
| Desnianskyi | Dec-19 | 74 | 26 |
| Jan-20 | 60–66 | 34–40 | |
| Mar-20 | 100 | 0 | |
| Apr-20 | 46–51 | 49–54 | |
| May-20 | 16–20 | 80–84 | |
| Jun-20 | 14–20 | 80–86 | |
| Jul-20 | 59–62 | 38–41 | |
| Aug-20 | 51 | 49 | |
| Sep-20 | 62–66 | 34–38 | |
| Oct-20 | 62–66 | 34–38 | |
| Nov-20 | 63–71 | 29–37 | |
| Dec-20 | 95–100 | 0–5 | |
| Dniprovskyi | Dec-19 | 42–43 | 57–58 |
| Jan-20 | 35 | 65 | |
| Feb-20 | 34 | 66 | |
| Mar-20 | 20–23 | 77–80 | |
| Apr-20 | 36–41 | 59–64 | |
| May-20 | 25–28 | 72–75 | |
| Jun-20 | 3–6 | 94–97 | |
| Jul-20 | 8 | 92 | |
| Aug-20 | 17–24 | 76–83 | |
| Sep-20 | 50–52 | 48–50 | |
| Oct-20 | 36–57 | 43–64 | |
| Nov-20 | 50 | 50 | |
| Dec-20 | 41 | 59 | |
| Darnytskyi | Feb-20 | 50–51 | 49–50 |
| Jul-20 | 0 | 100 | |
| Aug-20 | 12–17 | 83–88 | |
| Sep-20 | 46–49 | 51–54 | |
| Oct-20 | 35–39 | 61–65 | |
| Nov-20 | 36 | 64 | |
| Dec-20 | 41 | 59 | |
| Obolonskyi | Jan-20 | 67–72 | 28–33 |
| Mar-20 | 37–43 | 57–63 | |
| Apr-20 | 0 | 100 | |
| May-20 | 0 | 100 | |
| Jun-20 | 2–5 | 95–98 | |
| Jul-20 | 0 | 100 | |
| Aug-20 | 0 | 100 | |
| Sep-20 | 9–12 | 88–91 | |
| Oct-20 | 5–9 | 91–95 | |
| Nov-20 | 0 | 100 | |
| Dec-20 | 0–3 | 97–100 | |
| Podilskyi | Dec-19 | 56 | 44 |
| Jan-20 | 1 | 99 | |
| Feb-20 | 72 | 28 | |
| Apr-20 | 5–10 | 90–95 | |
| May-20 | 0 | 100 | |
| Jun-20 | 6 | 94 | |
| Jul-20 | 0 | 100 | |
| Sep-20 | 0 | 100 | |
| Oct-20 | 76 | 24 | |
| Nov-20 | 51–52 | 48–49 | |
| Dec-20 | 0 | 100 | |
| Sviatoshynskyi | Dec-19 | 0–2 | 98–100 |
| Jan-20 | 0 | 100 | |
| Apr-20 | 0 | 100 | |
| Jun-20 | 5 | 95 | |
| Jul-20 | 0 | 100 | |
| Aug-20 | 0 | 100 | |
| Sep-20 | 4 | 96 | |
| Oct-20 | 0 | 100 | |
| Nov-20 | 4 | 96 | |
| Dec-20 | 0–3 | 97–100 | |
| Shevchenkivskyi | Dec-19 | 33 | 67 |
| Jan-20 | 40–47 | 53–60 | |
| Feb-20 | 7–15 | 85–93 | |
| Mar-20 | 11 | 89 | |
| Apr-20 | 0 | 100 | |
| May-20 | 0–6 | 94–100 | |
| Jun-20 | 4 | 96 | |
| Jul-20 | 0 | 100 | |
| Aug-20 | 8–9 | 91–92 | |
| Sep-20 | 39 | 61 | |
| Oct-20 | 34–52 | 48–66 | |
| Nov-20 | 37 | 63 | |
| Dec-20 | 86–87 | 13–14 | |
| Solomianskyi | Jan-20 | 48–59 | 41–52 |
| Feb-20 | 42 | 58 | |
| Mar-20 | 38–41 | 59–62 | |
| Apr-20 | 68 | 32 | |
| May-20 | 65–66 | 34–35 | |
| Jun-20 | 8–15 | 85–92 | |
| Jul-20 | 10–13 | 87–90 | |
| Aug-20 | 12–14 | 86–88 | |
| Sep-20 | 30–33 | 67–70 | |
| Oct-20 | 39–44 | 56–61 | |
| Nov-20 | 44–53 | 47–56 | |
| Dec-20 | 76–99 | 1–24 |
Majority contribution (above 67%) is noted in bold italics. At times there may be multiple unique solutions in IsoSource and these are reported as a range of values (e.g. 60–66% groundwater contribution for Desnianskyi district in January 2020)