Drinking water quality in Grand-Santi

Region: Guyane Population: 9,668 Water supplier: SOCIETE GUYANAISE DES EAUX Latest sample: 30 June 2026
Fails the current legal limits

PFAS in drinking water

No PFAS results have been published for Grand-Santi yet. Testing has been required across the EU since January 2026. We will show the values here as soon as they come out.

"Not published" does not mean "not present". Without test results, no one can say how much PFAS is in this water.

Water report for Grand-Santi

Official assessment

The latest official test passed all quality requirements.

„Eau respectant les limites de qualité (annexe I-I) contenues dans l'arrêté du 11/01/2007. Les références de qualité (annexe I-II) sont dépassées pour le paramètre conductivité. L'eau est potable et peut être consommée.“

Microbiology: within limit Chemistry: within limit
Show all 19 official measurements
Parameter Value Limit Status
Nitrate 2.19 mg/L ≤ 50 mg/L within limit
Nitrite <0,05 mg/L ≤ 0.5 mg/L within limit
Lead <5 µg/L ≤ 10 µg/L within limit
Copper <0,05 mg(Cu)/L ≤ 2 mg(Cu)/L within limit
Nickel <10 µg/L ≤ 20 µg/L within limit
Arsenic <5 µg/L ≤ 10 µg/L within limit
Chromium <10 µg/L ≤ 50 µg/L within limit
Fluoride <0,2 mg/L ≤ 1.5 mg/L within limit
Escherichia coli <1 n/(100mL) ≤ 0 mL) within limit
Enterococci <1 n/(100mL) ≤ 0 mL) within limit
Coliform bacteria <1 n/(100mL) ≤ 0 mL) within limit
pH 6.6 unité pH 6.5–9 unité pH within limit
Water hardness 5.3 °f no limit informational
Electrical conductivity 122 µS/cm 200–1,100 µS/cm exceeded
Chloride 3.09 mg/L ≤ 250 mg/L within limit
Sulphate <1,00 mg/L ≤ 250 mg/L within limit
Sodium 8.01 mg/L ≤ 200 mg/L within limit
Iron <50 µg/L ≤ 200 µg/L within limit
Turbidity <0,5 NFU ≤ 2 NFU within limit

See the full results

See every official test result for Grand-Santi, including each PFAS substance. Free, just leave your email.

Frequently asked questions

Is tap water in Grand-Santi safe to drink?

Yes. The latest official test (30 June 2026) checked the tap water in Grand-Santi and it passed every requirement.

How high are PFAS levels in Grand-Santi's drinking water?

No PFAS results have been published for Grand-Santi yet. Testing has been required across the EU since January 2026. We will show the values here as soon as they come out.

How hard is the water in Grand-Santi?

The water hardness in Grand-Santi is 5.3 °f (soft). This mainly matters for household appliances and detergent dosing, not for health.

Where does this data come from?

All values come from official publications: Hub'eau, Qualité de l'eau potable (Ministère de la Santé / OFB / BRGM). Retrieved on 28 August 2026.

Data source

Hub'eau, Qualité de l'eau potable (Ministère de la Santé / OFB / BRGM)
https://hubeau.eaufrance.fr/api/v1/qualite_eau_potable/resultats_dis?code_commune=97357
License
Licence Ouverte / Open Licence (Etalab)
Retrieved
28 August 2026
Supply networks
GRAND SANTI, MONFINA, APAGUY ECOLE, LIBERTE, TOTI KONDE, ADOSSIAN, KOLOPOTE, BELI CAMPOE, MASSAI KAMPOE, AFEI CAMPU, TONI KAMPOE, ANA KONDE (ABA), ATEMICI KONDE, APAGUY VILLAGE

This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.