Published environmental data Validated readings from regulated monitoring points, pooled by catchment. Only readings that passed ZEMA's quality checks are shown. Values are illustrative in this prototype.
0 2.4 4.8 7.2 9.5 Oct 2023 Oct 2026 10 Apr 2025: 7.56 pH units 17 May 2025: 6.99 pH units 12 Jun 2025: 6.94 pH units 08 Jul 2025: 8.19 pH units 10 Aug 2025: 7.45 pH units 12 Sep 2025: 7.42 pH units 13 Oct 2025: 7.7 pH units 12 Nov 2025: 7.38 pH units 13 Dec 2025: 7.62 pH units 14 Jan 2026: 7.81 pH units 17 Feb 2026: 7.21 pH units 17 Mar 2026: 7.53 pH units 17 Apr 2026: 6.87 pH units 18 May 2026: 8.19 pH units 15 Jun 2026: 7.7 pH units 08 Jul 2026: 6.9 pH units 13 Aug 2026: 7.98 pH units 16 Sep 2026: 7.1 pH units 16 Oct 2026: 7.52 pH units Chililabombwe (downstream) 10 Apr 2025: 6.97 pH units 17 May 2025: 6.86 pH units 12 Jun 2025: 6.84 pH units 08 Jul 2025: 7.1 pH units 10 Aug 2025: 6.82 pH units 12 Sep 2025: 7.04 pH units 13 Oct 2025: 6.96 pH units 12 Nov 2025: 7.22 pH units 13 Dec 2025: 7.02 pH units 14 Jan 2026: 7.16 pH units 17 Feb 2026: 6.84 pH units 17 Apr 2026: 7.14 pH units 18 May 2026: 6.95 pH units 15 Jun 2026: 6.93 pH units 08 Jul 2026: 6.88 pH units 13 Aug 2026: 7.11 pH units 16 Oct 2026: 7.16 pH units Chililabombwe (upstream) 11 Oct 2023: 8.26 pH units 09 Nov 2023: 7.69 pH units 14 Dec 2023: 7.13 pH units 11 Jan 2024: 7.29 pH units 16 Feb 2024: 8.2 pH units 15 Mar 2024: 7.95 pH units 15 Apr 2024: 6.81 pH units 13 May 2024: 8.23 pH units 18 Jun 2024: 7.59 pH units 17 Jul 2024: 7.27 pH units 16 Aug 2024: 8.29 pH units 17 Sep 2024: 7.6 pH units 16 Oct 2024: 7.28 pH units 14 Nov 2024: 7.17 pH units 15 Dec 2024: 7.53 pH units 16 Jan 2025: 7.38 pH units 16 Feb 2025: 7.41 pH units 17 Mar 2025: 6.98 pH units 09 Apr 2025: 8.01 pH units 15 May 2025: 6.84 pH units 11 Jun 2025: 7.63 pH units 08 Jul 2025: 6.87 pH units 17 Aug 2025: 7.91 pH units 11 Sep 2025: 7.15 pH units 15 Oct 2025: 7 pH units 14 Nov 2025: 7.1 pH units 15 Dec 2025: 7.53 pH units 08 Jan 2026: 8.19 pH units 13 Feb 2026: 8.16 pH units 14 Mar 2026: 7.72 pH units 10 Apr 2026: 7.61 pH units 13 May 2026: 7.6 pH units 11 Jun 2026: 8.09 pH units 17 Jul 2026: 8.06 pH units 09 Aug 2026: 8.23 pH units 13 Sep 2026: 7.59 pH units 13 Oct 2026: 6.91 pH units Kalulushi (downstream) 11 Oct 2023: 7.25 pH units 09 Nov 2023: 6.93 pH units 14 Dec 2023: 7.13 pH units 11 Jan 2024: 7.22 pH units 16 Feb 2024: 7.14 pH units 15 Mar 2024: 7.21 pH units 15 Apr 2024: 6.96 pH units 13 May 2024: 6.91 pH units 18 Jun 2024: 7.07 pH units 17 Jul 2024: 6.84 pH units 16 Aug 2024: 6.88 pH units 17 Sep 2024: 7.02 pH units 16 Oct 2024: 7.16 pH units 14 Nov 2024: 7.06 pH units 15 Dec 2024: 7.12 pH units 16 Jan 2025: 7.23 pH units 16 Feb 2025: 7.16 pH units 17 Mar 2025: 6.91 pH units 09 Apr 2025: 6.88 pH units 15 May 2025: 6.96 pH units 11 Jun 2025: 6.99 pH units 08 Jul 2025: 6.93 pH units 17 Aug 2025: 7.23 pH units 11 Sep 2025: 7.05 pH units 15 Oct 2025: 7.11 pH units 14 Nov 2025: 6.96 pH units 15 Dec 2025: 7.13 pH units 08 Jan 2026: 6.93 pH units 13 Feb 2026: 7.06 pH units 14 Mar 2026: 7.02 pH units 10 Apr 2026: 7.16 pH units 13 May 2026: 6.97 pH units 11 Jun 2026: 6.88 pH units 17 Jul 2026: 7.16 pH units 09 Aug 2026: 6.98 pH units 13 Sep 2026: 6.81 pH units 13 Oct 2026: 7.24 pH units Kalulushi (upstream) 6 monitoring point(s). Upstream and downstream are shown separately; a difference between them is a signal for ZEMA to investigate, not proof of responsibility. Method and detection limits are available on request.
Prototype for demonstration. Only information approved for publication is shown here. Companies, sites and readings are illustrative.