In Lima Metropolitan area potable water production increased 2.1%

The National Institute of Statistics and Informatics (INEI) informed, based in the information provided by the Service of Potable Water and Sewerage Service of Lima Metropolitan area (SEDAPAL), that in July in 2025 the potable water production in Lima Metropolitan area reached 65,902.000 cubic meters, a higher figure by 2,.1% compared to the same month of the last year; according to the published in the technical report Environmental Statistics.

In July of 2025, the Rimac River Flow reached by 26.31 m³/s, greater volume by 26.6% compared to the same month of 2024 and by 23.1% compared to its historic average. For its part, the Chillon River registered an average flow of 1.50 m³/s, which registered an increase of 8.7% compared to July of the last year; nevertheless, it reduced by 14.3% compared to its historic average.

According to SENAMHI information, in July of 2025 the rivers of the North Pacific slope registered a considerable increase in its average flow. The Calvas River reached 29.37 m³/s, with increases of 176.3% and 15.1% compared to July of 2024 and to its historic average, respectively. The Jequetepeque River registered 8.10 m³/s, higher value by 132.8% compared to that of the last year and by 51.4% compared to its historic average.

Likewise, the average flow of the Chira River reached 78.96 m³/s, a higher figure by 120.3% compared to July of 2024 and by 18.0% compared to its historic average. Finally, the Tumbes River reached by 39.87 m³/s, with an increase of 16.1% compared to the same month of the last year and of 8.8% compared to its historic average.

According to the SENAMHI, in July of 2025 the station of Lima Center, located in San Borja, registered high levels of concentration of inhalable particles—such as dust, soot, pollen and other solid or liquid substances suspended in the atmosphere—, which are responsible of respiratory problems in the population. A similar behavior was observed in Santa Anita station, where the concentration of air pollutants exceeded the allowed limits, causing serious risks for health of persons with respiratory diseases.

The monitoring of 17 stations of the SENAMHI revealed that in July of 2025 the departments of Tacna, Puno and Arequipa registered the lowest temperatures of the country. In Tacna, the cold sensation accentuated in Chuapalca (-18.4 °C) and Bocatoma (-12.8 °C). In Puno, were registered temperatures of - 16,2 °C in Mazo Cruz, -14.0 °C in Macusani, -12.4 °C in Santa Rosa, -11.0 °C in Cojata, -9.0 °C in Crucero Alto and -7.4 °C in Desaguadero. In Arequipa, the stations of Imata (-12.0 °C), Pillones (-11.6

°C), Las Salinas (-10.2 °C) and Tisco (-9.5 °C) also registered extremely low values.

Likewise, there were registered temperatures of -14.4 °C in Laive and -8.4 °C in La Oroya (Junín), -7.8 °C in Sicuani (Cusco), -6.8 °C in Cerro de Pasco (Pasco) and in the station of Ubinas (Moquegua), that not registered variation.

The National Institute of Civil Defense (INDECI) informed that in July of 2025 were registered 435 emergencies at national level, a higher figure in 12.1% compared to the same month of 2024. These events affected 1,413 persons, damaged 2,512 households, destroyed 162 households and caused the loss of 1,392 hectares of crops.

The most affected departments were Cusco (66 emergencies), Apurímac (33), Cajamarca and Huancavelica (31 each one), Lima and Piura (30 each one), Huánuco (26), Ucayali (25), Junín (20), Amazonas (19), La Libertad (18), Ancash (16), Pasco (14), San Martín (13), Arequipa (12), Puno (9), Tacna (8), Callao (7), Loreto (6), Ayacucho (5), Ica and Lambayeque (4 each one), Moquegua and Tumbes (3 each one) and Madre de Dios (2).

The main causes of these emergencies were the lowest temperatures (135), urban and industrial fires (132), strong winds (70), heavy rains (28), forest fires (20), erosions (19), landslides (12), floods (9), hills collapse (5), storm surges (2) and, in low measure, pollution, huayco and droughts (1 each one).